Nils Christopher Gerhardt

Fakultät für Elektrotechnik, Informatik und Mathematik
nils.gerhardt@uni-paderborn.de
ID
115298

180 Publications

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[180]
2025 | Journal Article | LibreCat-ID: 61932
Ledentsov, N. N., Ledentsov, N., Shchukin, V. A., Ledentsov, A. N., Makarov, O. Yu., Titkov, I. E., Lindemann, M., de Adelsburg Ettmayer, T., Gerhardt, N. C., Hofmann, M. R., Chen, X., Hurley, J. E., Dong, H., & Li, M.-J. (2025). VCSELs: Influence of Design on Performance and Data Transmission over Multi-Mode and Single-Mode Fibers. Photonics, 12(10), Article 1037. https://doi.org/10.3390/photonics12101037
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[179]
2025 | Journal Article | LibreCat-ID: 61931
Diiankova, U., Drong, M., Pusch, T., Michalzik, R., Lindemann, M., Gerhardt, N. C., & Hofmann, M. R. (2025). Multimode vertical-cavity surface-emitting lasers under spin injection. APL Photonics, 10(10), Article 106120. https://doi.org/10.1063/5.0286998
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[178]
2025 | Journal Article | LibreCat-ID: 64551
Lindemann, M., D’Alessandro, M., Ledentsov, N., Makarov, O. Y., Ledentsov, N. N., Tibaldi, A., Gerhardt, N. C., & Hofmann, M. R. (2025). Laterally coupled vertical-cavity surface-emitting lasers with                    tunable resonance width and frequency. Journal of Applied Physics, 138(5), Article 053102. https://doi.org/10.1063/5.0275622
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[177]
2025 | Conference Paper | LibreCat-ID: 64293
Gerhardt, N. C., Hofmann, M. R., Zens, L., Möller, J., & Besaga, V. (2025). Quantitative holography for the characterisation of semiconductor amplifieres and lasers. Practical Holography XXXIX: Displays, Materials, and Applications. https://doi.org/10.1117/12.3041318
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[176]
2024 | Journal Article | LibreCat-ID: 64550
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express. https://doi.org/10.1364/oe.538741
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[175]
2024 | Journal Article | LibreCat-ID: 64585
Lindemann, M., Gerhardt, N. C., Dainone, P. A., Renucci, P., Bouché, A., Morassi, M., Devaux, X., George, J.-M., Jaffrès, H., Lemaitre, A., Xu, B., Stoffel, M., Chen, T., Lombez, L., Lagarde, D., Cong, G., Ma, T., Pigeat, P., Vergnat, M., … Lu, Y. (2024). Controlling the helicity of light by electrical magnetization switching. Nature, 627(8005), 783–788. https://doi.org/10.1038/s41586-024-07125-5
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[174]
2024 | Journal Article | LibreCat-ID: 64549
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express. https://doi.org/10.1364/oe.538741
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[173]
2024 | Conference Paper | LibreCat-ID: 64296
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Ledentsov, N. N., Shchukin, V. A., Makarov, O. Y., Zerova, V., D’alessandro, M., Tibaldi, A., & Turkiewicz, J. P. (2024). Study of Electrically Excited Photon-Photon Resonances in Self-Injection-Locked Coupled-Cavity VCSELs. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). https://doi.org/10.1109/islc57752.2024.10717381
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[172]
2024 | Journal Article | LibreCat-ID: 64295
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. R. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express, 33(1), 34–49. https://doi.org/10.1364/oe.538741
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[171]
2024 | Journal Article | LibreCat-ID: 59663
Dainone, P. A., Prestes, N. F., Renucci, P., Bouché, A., Morassi, M., Devaux, X., Lindemann, M., George, J.-M., Jaffrès, H., Lemaitre, A., Xu, B., Stoffel, M., Chen, T., Lombez, L., Lagarde, D., Cong, G., Ma, T., Pigeat, P., Vergnat, M., … Lu, Y. (2024). Controlling the helicity of light by electrical magnetization switching. Nature, 627(8005), 783–788. https://doi.org/10.1038/s41586-024-07125-5
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[170]
2022 | Journal Article | LibreCat-ID: 59668
Heermeier, N., Heuser, T., Große, J., Jung, N., Kaganskiy, A., Lindemann, M., Gerhardt, N. C., Hofmann, M. R., & Reitzenstein, S. (2022). Spin‐Lasing in Bimodal Quantum Dot Micropillar Cavities. Laser & Photonics Reviews, 16(4). https://doi.org/10.1002/lpor.202100585
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[169]
2020 | Journal Article | LibreCat-ID: 59686
Shi, Y., Kreuzer, L. C., Gerhardt, N. C., Pantouvaki, M., Van Campenhout, J., Baryshnikova, M., Langer, R., Van Thourhout, D., & Kunert, B. (2020). Time-resolved photoluminescence characterization of InGaAs/GaAs nano-ridges monolithically grown on 300 mm Si substrates. Journal of Applied Physics, 127(10). https://doi.org/10.1063/1.5139636
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[168]
2020 | Journal Article | LibreCat-ID: 59685
Žutić, I., Xu, G., Lindemann, M., Faria Junior, P. E., Lee, J., Labinac, V., Stojšić, K., Sipahi, G. M., Hofmann, M. R., & Gerhardt, N. C. (2020). Spin-lasers: spintronics beyond magnetoresistance. Solid State Communications, 316–317, Article 113949. https://doi.org/10.1016/j.ssc.2020.113949
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[167]
2020 | Journal Article | LibreCat-ID: 59684
Schnitzler, L., Neutsch, K., Schellenberg, F., Hofmann, M. R., & Gerhardt, N. C. (2020). Confocal laser scanning holographic microscopy of buried structures. Applied Optics, 60(4), Article A8. https://doi.org/10.1364/ao.403687
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[166]
2019 | Conference Paper | LibreCat-ID: 64361
Neutsch, K., Hofmann, M. R., Gerhardt, N. C., Schnitzler, L., & Tranelis, M. J. (2019). Three-dimensional particle localization with common-path digital holographic microscopy. Practical Holography XXXIII: Displays, Materials, and Applications. https://doi.org/10.1117/12.2509448
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[165]
2019 | Book Chapter | LibreCat-ID: 64360
Gerhardt, N. C., Žutić, I., Lee, J., Gøthgen, C., Farla, Paulo E., J., Xu, G., & Sipahi, G. M. (2019). Semiconductor spin-lasers. In Nanoscale spintronics and applications (pp. 499–540).
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[164]
2019 | Journal Article | LibreCat-ID: 59687
Lindemann, M., Xu, G., Pusch, T., Michalzik, R., Hofmann, M. R., Žutić, I., & Gerhardt, N. C. (2019). Ultrafast spin-lasers. Nature, 568(7751), 212–215. https://doi.org/10.1038/s41586-019-1073-y
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[163]
2018 | Conference Paper | LibreCat-ID: 64371
Hofmann, M. R., Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Dillmann, C., & Welp, H. (2018). Brain tissue analysis using texture features based on optical coherence tomography images. Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXII. https://doi.org/10.1117/12.2292032
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[162]
2018 | Conference Paper | LibreCat-ID: 64372
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Hofmann, M. R., Dillmann, C., & Welp, H. (2018). Classification of brain tissue with optical coherence tomography by employing texture analysis. Optics, Photonics, and Digital Technologies for Imaging Applications V. https://doi.org/10.1117/12.2307701
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[161]
2018 | Conference Paper | LibreCat-ID: 64376
Hofmann, M. R., Gerhardt, N. C., Finkeldey, M., & Göring, L. (2018). Digital holography for the investigation of buried structures with a common-path reflection microscope. Practical Holography XXXII: Displays, Materials, and Applications. https://doi.org/10.1117/12.2289524
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[160]
2018 | Conference Paper | LibreCat-ID: 64379
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., Michalzik, R., & Scherübl, S. (2018). Thermally-induced birefringence in VCSELs - approaching the limits. Semiconductor Lasers and Laser Dynamics VIII. https://doi.org/10.1117/12.2306215
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[159]
2018 | Conference Paper | LibreCat-ID: 64375
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2018). Demonstrating ultrafast polarization dynamics in spin-VCSELs. Vertical-Cavity Surface-Emitting Lasers XXII. https://doi.org/10.1117/12.2289560
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[158]
2018 | Conference Paper | LibreCat-ID: 64378
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Michalzik, R., & Pusch, T. (2018). Spin lasers for optical data communication. Semiconductor Lasers and Laser Dynamics VIII. https://doi.org/10.1117/12.2306464
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[157]
2018 | Conference Paper | LibreCat-ID: 64377
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Michalzik, R., & Pusch, T. (2018). Electrical birefringence tuning of VCSELs. Vertical-Cavity Surface-Emitting Lasers XXII. https://doi.org/10.1117/12.2295917
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[156]
2018 | Conference Paper | LibreCat-ID: 64374
Gerhardt, N. C., Neutsch, K., & Göring, L. (2018). Common-path digital holographic microscopy for 3D nanoparticle localization. Nanoimaging and Nanospectroscopy VI. https://doi.org/10.1117/12.2321175
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[155]
2018 | Conference Paper | LibreCat-ID: 64380
Gerhardt, N. C., Xu, G., & Žutić, I. (2018). Toward ultrafast spin lasers? APS March Meeting 2018.
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[154]
2018 | Journal Article | LibreCat-ID: 64370
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Dillmann, C., Stroop, R., & Welp, H. (2018). Automated differentiation between meningioma and healthy brain tissue based on optical coherence tomography ex vivo images using texture features. Journal of Biomedical Optics, 23(7), 071205. https://doi.org/10.1117/1.jbo.23.7.071205
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[153]
2018 | Conference Paper | LibreCat-ID: 64369
Besaga, V., Gerhardt, N. C., Hofmann, M. R., & Maksimyak, P. P. (2018). A direct-view customer-oriented digital holographic camera. Thirteenth International Conference on Correlation Optics. https://doi.org/10.1117/12.2304923
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[152]
2017 | Journal Article | LibreCat-ID: 64403
Lindemann, M., Gerhardt, N. C., Hofmann, M. R. (ORCiD: 0000-0003-1265-0003), Pusch, T., La Tona, E., & Michalzik, R. (2017). Thermally induced birefringence tuning of 37 GHz in VCSELs. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC 2017), 1, 108. https://doi.org/10.1109/cleoe-eqec.2017.8086349
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[151]
2017 | Conference Paper | LibreCat-ID: 64402
Lenz, M., Krug, R., Gerling, A., Schmieder, K., Hofmann, M., Gerhardt, N. C., Dillmann, C., & Welp, H. (2017). Spectroscopic optical coherence tomography for ex vivo brain tumor analysis. Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV. https://doi.org/10.1117/12.2252141
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[150]
2017 | Conference Paper | LibreCat-ID: 64399
Finkeldey, M., Göring, L., Schellenberg, F., Brenner, C., Gerhardt, N. C., & Hofmann, M. R. (2017). Multimodal backside imaging of a microcontroller using confocal laser scanning and optical-beam-induced current imaging. Photonic Instrumentation Engineering IV. https://doi.org/10.1117/12.2250912
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[149]
2017 | Journal Article | LibreCat-ID: 64401
Finkeldey, M., Schellenberg, F., Brenner, C., Hofmann, M. R., Gerhardt, N. C., & Göring, L. (2017). Optical metrology for the investigation of buried technical structures. Technisches Messen, 85(2), 104–110. https://doi.org/10.1515/teme-2017-0096
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[148]
2017 | Conference Paper | LibreCat-ID: 64398
Cherkashin, M. N., Brenner, C., Putro, W. D., Döpke, B., Gerhardt, N. C., & Hofmann, M. R. (2017). Linking transducer transfer function with multi-pulse excitation photoacoustic response. Medical Imaging 2017: Ultrasonic Imaging and Tomography. https://doi.org/10.1117/12.2254577
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[147]
2017 | Conference Paper | LibreCat-ID: 64400
Lenz, M., Gerhardt, N. C., Prange, M., Hofmann, M. R., Mazzon, C., Dillmann, C., & Welp, H. (2017). Nondestructive evaluation of protective coatings for the conservation of industrial monuments. Optics for Arts, Architecture, and Archaeology VI. https://doi.org/10.1117/12.2270170
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[146]
2017 | Conference Paper | LibreCat-ID: 64397
Göring, L., Finkeldey, M., Ad­in­da-Oug­ba, A., Gerhardt, N. C., & Hofmann, M. (2017). Lensless digital holographic microscope using in-line configuration and laser diode illumination. Practical Holography XXXI: Materials and Applications. https://doi.org/10.1117/12.2250927
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[145]
2017 | Journal Article | LibreCat-ID: 64386
Lenz, M., Gerhardt, N. C., Hofmann, M., Mazzon, C., Dillmann, C., Welp, H., & Prange, M. (2017). Spectral domain optical coherence tomography for non-destructive testing of protection coatings on metal substrates. Applied Sciences, 7(4). https://doi.org/10.3390/app7040364
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[144]
2017 | Journal Article | LibreCat-ID: 64385
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., Michalzik, R., & La Tona, E. (2017). Monolithic vertical-cavity surface-emitting laser with thermally tunable birefringence. Applied Physics Letters, 110(15). https://doi.org/10.1063/1.4980025
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[143]
2017 | Conference Paper | LibreCat-ID: 64393
Cherkashin, M. N., Brenner, C., Putro, W. D., Döpke, B., Gerhardt, N. C., & Hofmann, M. R. (2017). Dynamics of the photoacoustic response of single-element PZT transducers to pulse burst excitation. Photons Plus Ultrasound: Imaging and Sensing 2017. https://doi.org/10.1117/12.2253051
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[142]
2017 | Journal Article | LibreCat-ID: 64384
Finkeldey, M., Göring, L., Brenner, C., Hofmann, M., & Gerhardt, N. C. (2017). Depth-filtering in common-path digital holographic microscopy. Optics Express, 25(16), 19398–19407. https://doi.org/10.1364/oe.25.019398
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[141]
2017 | Conference Paper | LibreCat-ID: 64388
Finkeldey, M., Schellenberg, F., Gerhardt, N. C., Hofmann, M., & Göring, L. (2017). Backside imaging of a microcontroller with common-path digital holography. Practical Holography XXXI: Materials and Applications. https://doi.org/10.1117/12.2250903
LibreCat | DOI
 
[140]
2017 | Conference Paper | LibreCat-ID: 64395
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2017). Investigations on polarization oscillation amplitudes in spin-VCSELs. Vertical-Cavity Surface-Emitting Lasers XXI. https://doi.org/10.1117/12.2252490
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[139]
2017 | Journal Article | LibreCat-ID: 64392
Finkeldey, M., Brenner, C. (ORCiD: 0000-0002-8764-9261), Gerhardt, N. C., Hofmann, M. R., & Göring, L. (2017). Digital holographic microscopy of buried specimen using a common-path reflective setup. DGaO-Proceedings, 118.
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[138]
2017 | Conference Paper | LibreCat-ID: 64391
Besaga, V., Gerhardt, N. C., Hofmann, M. R., & Maksimyak, P. P. (2017). Common-path holographic objective for conventional photographic camera. Novel Optical Systems Design and Optimization XX. https://doi.org/10.1117/12.2273890
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[137]
2017 | Conference Paper | LibreCat-ID: 64394
Lindemann, M., Hofmann, M. R., Gerhardt, N. C., Pusch, T., & Michalzik, R. (2017). High-frequency polarization dynamics in spin-lasers - pushing the limits. Spintronics X. https://doi.org/10.1117/12.2272972
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[136]
2016 | Journal Article | LibreCat-ID: 59690
Lindemann, M., Pusch, T., Michalzik, R., Gerhardt, N. C., & Hofmann, M. R. (2016). Frequency tuning of polarization oscillations: Toward high-speed spin-lasers. Applied Physics Letters, 108(4). https://doi.org/10.1063/1.4940713
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[135]
2016 | Preprint | LibreCat-ID: 64425
Schellenberg, F., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Moradi, A., & Paar, C. (2016). Large laser spots and fault sensitivity analysis.
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[134]
2016 | Journal Article | LibreCat-ID: 64426
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Hofmann, M., Dillmann, C., & Welp, H. (2016). Local bi­na­ry pat­terns for dif­fe­ren­tia­ti­on of brain tis­sue types in­op­ti­cal co­he­rence to­mo­gra­phy ima­ges. Biomedical Engineering, 61(Suppl. 1).
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[133]
2016 | Conference Paper | LibreCat-ID: 64424
Schellenberg, F., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Moradi, A., & Paar, C. (2016). Large laser spots and fault sensitivity analysis. 2016 IEEE International Symposium on Hardware Oriented Security and Trust (HOST 2016), 203–208. https://doi.org/10.1109/hst.2016.7495583
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[132]
2016 | Conference Paper | LibreCat-ID: 64420
Finkeldey, M., Schellenberg, F., Gerhardt, N. C., Paar, C., & Hofmann, M. (2016). Common-path depth-filtered digital holography for high resolution imaging of buried semiconductor structures. Practical Holography XXX: Materials and Applications. https://doi.org/10.1117/12.2212454
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[131]
2016 | Conference Paper | LibreCat-ID: 64423
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Influence of birefringence splitting on ultrafast polarization oscillations in VCSELs. Vertical-Cavity Surface-Emitting Lasers XX. https://doi.org/10.1117/12.2212413
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[130]
2016 | Conference Paper | LibreCat-ID: 64427
Gerhardt, N. C., Faria, Paulo E., Jr., Xu, G., Lee, J., Sipahi, G. M., & Žutić, I. (2016). Microscopic description of a spin laser. APS March Meeting 2016.
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[129]
2016 | Conference Paper | LibreCat-ID: 64422
Lindemann, M., Hofmann, M. R., Gerhardt, N. C., Pusch, T., & Michalzik, R. (2016). Frequency tuning of polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2229358
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[128]
2016 | Conference Paper | LibreCat-ID: 64419
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Birefringent vertical cavity surface-emitting lasers - toward high-speed spin-lasers. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2229356
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[127]
2016 | Conference Paper | LibreCat-ID: 64415
Brenner, C., Göring, L., Döpke, B., Cherkashin, M. N., Gerhardt, N. C., & Hofmann, M. R. (2016). Dynamics of double-pulse photoacoustic excitation. Photons Plus Ultrasound: Imaging and Sensing 2016. https://doi.org/10.1117/12.2213476
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[126]
2016 | Journal Article | LibreCat-ID: 64421
Göring, L., Finkeldey, M., Gerhardt, N. C., & Hofmann, M. R. (2016). Common-path digital holography microscopy of buried semiconductor specimen. Adaptive Optics: Analysis, Methods & Systems. https://doi.org/10.1364/3d.2016.jw4a.40
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[125]
2016 | Conference Paper | LibreCat-ID: 64418
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Bou Sanayeh, M., Mich­al­zik, R., & Pusch, T. (2016). Birefringence tuning of VCSELs. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2228091
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[124]
2016 | Conference Paper | LibreCat-ID: 64411
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/aoms.2016.jw4a.40
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[123]
2016 | Conference Paper | LibreCat-ID: 64413
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Goring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/cosi.2016.jw4a.40
LibreCat | DOI
 
[122]
2016 | Conference Paper | LibreCat-ID: 64417
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Goring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen.
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[121]
2016 | Conference Paper | LibreCat-ID: 64416
Schellenberg, F., Finkeldey, M., Richter, B., Gerhardt, N. C., Hofmann, M., Paar, C., & Schapers, M. (2016). On the complexity reduction of laser fault injection campaigns using OBIC measurements. 2015 Workshop on Fault Diagnosis and Tolerance in Cryptography - FDTC 2015, 14–27. https://doi.org/10.1109/fdtc.2015.10
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[120]
2016 | Conference Paper | LibreCat-ID: 64407
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). High-frequency operation of spin vertical-cavity surface-emitting lasers - towards 100 GHz. Spintronics IX. https://doi.org/10.1117/12.2237163
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[119]
2016 | Journal Article | LibreCat-ID: 64406
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Frequency tuning of polarization oscillations in spin-lasers. Spintronics IX. https://doi.org/10.1117/12.2237566
LibreCat | DOI
 
[118]
2016 | Conference Paper | LibreCat-ID: 64408
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/aio.2016.jw4a.40
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[117]
2016 | Conference Paper | LibreCat-ID: 64409
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/math.2016.jw4a.40
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[116]
2016 | Conference Paper | LibreCat-ID: 64410
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Go, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/isa.2016.jw4a.40
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[115]
2016 | Conference Paper | LibreCat-ID: 64412
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen.
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[114]
2015 | Journal Article | LibreCat-ID: 59691
Faria Junior, P. E., Xu, G., Lee, J., Gerhardt, N. C., Sipahi, G. M., & Žutić, I. (2015). Toward high-frequency operation of spin lasers. Physical Review B, 92(7), Article 075311. https://doi.org/10.1103/physrevb.92.075311
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[113]
2015 | Journal Article | LibreCat-ID: 59693
Faria Junior, P. E., Xu, G., Lee, J., Gerhardt, N. C., Sipahi, G. M., & Žutić, I. (2015). Toward high-frequency operation of spin lasers. Physical Review B, 92(7), Article 075311. https://doi.org/10.1103/physrevb.92.075311
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[112]
2015 | Conference Paper | LibreCat-ID: 64444
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Tu­ning the fre­quen­cy of po­la­riza­t­i­on oscil­la­ti­ons in spin VC­SELs by me­cha­ni­cal strain in­duc­tion in GHz-ran­ge. The European Conference on Lasers and Electro-Optics 2015.
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[111]
2015 | Conference Paper | LibreCat-ID: 64441
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz. The European Conference on Lasers and Electro-Optics 2015.
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[110]
2015 | Preprint | LibreCat-ID: 64442
Schellenberg, F., Finkeldey, M., Richter, B., Gerhardt, N. C., Hofmann, M. R., Paar, C., & Schäpers, M. (2015). On the complexity reduction of laser fault injection campaigns using OBIC measurements.
LibreCat
 
[109]
2015 | Journal Article | LibreCat-ID: 64430
Ad­in­da-Oug­ba, A., Koukourakis, N., Gerhardt, N. C., & Hofmann, M. (2015). Simple concept for a wide-field lensless digital holographic microscope using a laser diode. Current Directions in Biomedical Engineering, 1(1), 261–264. https://doi.org/10.1515/cdbme-2015-0065
LibreCat | DOI
 
[108]
2015 | Conference Paper | LibreCat-ID: 64432
Cherkashin, M. N., Brenner, C., Schnitzler, L., Döpke, B., Gerhardt, N. C., & Hofmann, M. (2015). Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement. Opto-Acoustic Methods and Applications in Biophotonics II. https://doi.org/10.1117/12.2183957
LibreCat | DOI
 
[107]
2015 | Conference Paper | LibreCat-ID: 64436
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Ultrafast polarization dynamics with controlled polarization oscillations in vertical-cavity surface-emitting lasers. Vertical-Cavity Surface-Emitting Lasers XIX, 1–7. https://doi.org/10.1117/12.2076920
LibreCat | DOI
 
[106]
2015 | Conference Paper | LibreCat-ID: 64443
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Towards high frequency operation of polarization oscillations in spin vertical-cavity surface-emitting lasers. Spintronics VIII. https://doi.org/10.1117/12.2197969
LibreCat | DOI
 
[105]
2015 | Journal Article | LibreCat-ID: 64435
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Controlling the frequency of ultra-fast polarization oscillations in Spin-VCSELs. 79. Jahrestagung Der DPG Und DPG-Frühjahrstagung.
LibreCat
 
[104]
2015 | Conference Paper | LibreCat-ID: 64440
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Tuning the frequency of polarization oscillations in spin-VCSELs by mechanical strain induction.
LibreCat
 
[103]
2015 | Conference Paper | LibreCat-ID: 64438
Lindemann, M., Gerhardt, N. C., Hofmann, M. R. (ORCiD: 0000-0003-1265-0003), Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz.
LibreCat
 
[102]
2015 | Conference Paper | LibreCat-ID: 64437
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz.
LibreCat
 
[101]
2015 | Conference Paper | LibreCat-ID: 64429
Ad­in­da-Oug­ba, A., Koukourakis, N., Mitschker, F., Gerhardt, N. C., Hofmann, M., & Kabir, B. (2015). Compact low-cost lensless digital holographic microscope for topographic measurements of microstructures in reflection geometry. Optical Systems Design 2015, 1–8. https://doi.org/10.1117/12.2191073
LibreCat | DOI
 
[100]
2015 | Conference Paper | LibreCat-ID: 64433
Ad­in­da-Oug­ba, A., Koukourakis, N., Essaidi, A., Gerhardt, N. C., & Hofmann, M. (2015). Quantitative phase imaging by wide field lensless digital holographic microscope. Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 952903. https://doi.org/10.1117/12.2184471
LibreCat | DOI
 
[99]
2015 | Journal Article | LibreCat-ID: 64428
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Vertical-cavity surface-emitting lasers with birefringence splitting above 250 GHz. Electronics Letters, 51(20), 1600–1601. https://doi.org/10.1049/el.2015.2149
LibreCat | DOI
 
[98]
2015 | Conference Paper | LibreCat-ID: 64431
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Controlled switching and frequency tuning of polarization oscillations in vertical-cavity surface-emitting lasers. Spintronics VIII, 1–5. https://doi.org/10.1117/12.2197970
LibreCat | DOI
 
[97]
2015 | Conference Paper | LibreCat-ID: 64439
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Tuning the frequency of polarization oscillations in Spin-VCSELs by mechanical strain induction.
LibreCat
 
[96]
2014 | Conference Paper | LibreCat-ID: 64453
Jaedicke, V., Agcaer, S., Gerhardt, N. C., Hofmann, M., Robles, F. E., Steinert, M., Jones, D., Goebel, S., & Welp, H. (2014). Performance comparison of different metrics for spectroscopic optical coherence tomography. Biomedical Applications of Light Scattering VIII, 1–10. https://doi.org/10.1117/12.2038891
LibreCat | DOI
 
[95]
2014 | Conference Paper | LibreCat-ID: 64451
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M., Stürmer, M., Wallrabe, U., Czarske, J., & Fischer, A. (2014). Effects of axial scanning in confocal microscopy employing adaptive lenses (CAL). Optical Micro- and Nanometrology V. https://doi.org/10.1117/12.2052152
LibreCat | DOI
 
[94]
2014 | Journal Article | LibreCat-ID: 64448
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Fischer, A., Stürmer, M., Leithold, C., Wallrabe, U., & Czarske, J. W. (2014). Axial scanning in confocal microscopy employing adaptive lenses (CAL). Optics Express, 22(5), 6025–6039. https://doi.org/10.1364/oe.22.006025
LibreCat | DOI
 
[93]
2014 | Journal Article | LibreCat-ID: 64450
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. (2014). Controlled switching of ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Applied Physics Letters, 104(2), 1–5. https://doi.org/10.1063/1.4862330
LibreCat | DOI
 
[92]
2014 | Journal Article | LibreCat-ID: 64452
Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Jädicke, V., Göbel, S., & Welp, H. (2014). Multiwavelength phase unwrapping and aberration correction using depth filtered digital holography. Optics Letters, 39(14), 4160–4163. https://doi.org/10.1364/ol.39.004160
LibreCat | DOI
 
[91]
2014 | Conference Paper | LibreCat-ID: 64449
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. (2014). Coherent switching of polarization oscillations in vertical-cavity surface-emitting lasers. Vertical-Cavity Surface-Emitting Lasers XVIII, 9001–9015. https://doi.org/10.1117/12.2039196
LibreCat | DOI
 
[90]
2014 | Conference Paper | LibreCat-ID: 64447
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. R. (2014). Spin-controlled ultrafast vertical-cavity surface-emitting lasers. Semiconductor Lasers and Laser Dynamics VI, 1–6. https://doi.org/10.1117/12.2049684
LibreCat | DOI
 
[89]
2014 | Conference Paper | LibreCat-ID: 64445
Gerhardt, N. C., Höpfner, H., Lindemann, M., & Hofmann, M. R. (2014). Polarization dynamics in spin-polarized vertical-cavity surface-emitting lasers. Spintronics VII, 1–10. https://doi.org/10.1117/12.2063723
LibreCat | DOI
 
[88]
2014 | Journal Article | LibreCat-ID: 64446
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M., Stürmer, M., Leithold, C., Wallrabe, U., & Czarske, J. W. (2014). Employing electrically tunable lenses in confocal microscopy for axial scanning. International C for Optics. Congress .
LibreCat
 
[87]
2013 | Journal Article | LibreCat-ID: 64466
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin relaxation in spin light-emitting diodes - effects of magnetic field and temperature. Ultrafast Phenomena and Nanophotonics XVII, 86230A – 1. https://doi.org/10.1117/12.2001511
LibreCat | DOI
 
[86]
2013 | Conference Paper | LibreCat-ID: 64460
Finkeldey, M., Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Zimprich, M., Volz, K., & Stolz, W. (2013). Optical gain and lasing in GaNAsP/BGa(As)P heterostructures grown on (001) silicon substrate. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[85]
2013 | Conference Paper | LibreCat-ID: 64464
Höpfner, H., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin injection and spin relaxation: magnetic field effects. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[84]
2013 | Conference Paper | LibreCat-ID: 64456
Gerhardt, N. C., Hofmann, M. R., Jaedicke, V., Aǧcaer, S., Goebel, S., & Welp, H. (2013). Spectral analysis and spectroscopic metrics in Spectroscopic Optical Coherence Tomography. https://doi.org/10.1364/fio.2013.fw4a.1
LibreCat | DOI
 
[83]
2013 | Conference Paper | LibreCat-ID: 64459
Gerhardt, N. C., Koukourakis, N., Finkeldey, M., Hofmann, M., Kunert, B., Zimprich, M., Volz, K., Stolz, W., Jandieri, K., Gebhard, F., & Baranovskii, S. (2013). Non-exponential photoluminescence transients in GaNAsP lattice matched to (001) silicon substrate. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[82]
2013 | Journal Article | LibreCat-ID: 64467
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin relaxation length in quantum dot spin LEDs. Physica Status Solidi, 10(9), 1214–1217. https://doi.org/10.1002/pssc.201200689
LibreCat | DOI
 
[81]
2013 | Conference Paper | LibreCat-ID: 64468
Gerhardt, N. C., Höpfner, H., Lindemann, M., Li, M., Jähme, H., Hofmann, M., & Ackemann, T. (2013). Ultrafast spin-polarized vertical-cavity surface-emitting lasers. Spintronics VI, 8313–8380. https://doi.org/10.1117/12.2022720
LibreCat | DOI
 
[80]
2013 | Journal Article | LibreCat-ID: 64455
Koukourakis, N., Gerhardt, N. C., Hofmann, M., Kunert, B., Liebich, S., Zimprich, M., Volz, K., Stolz, W., Gebhard, F., Baranovskii, S. D., & Jandieri, K. (2013). Nonexponential photoluminescence transients in a Ga(NAsP) lattice matched to a (001) silicon substrate. Physical Review, 87(3). https://doi.org/10.1103/physrevb.87.035303
LibreCat | DOI
 
[79]
2013 | Journal Article | LibreCat-ID: 64457
Jaedicke, V., Gerhardt, N. C., Hofmann, M., Agcaer, S., Robles, F. E., Steinert, M., Jones, D., Goebel, S., & Welp, H. (2013). Comparison of different metrics for analysis and visualization in spectroscopic optical coherence tomography. Biomedical Optics Express, 4(12), 2945–2961. https://doi.org/10.1364/boe.4.002945
LibreCat | DOI
 
[78]
2013 | Conference Paper | LibreCat-ID: 64461
Jaedicke, V., Koukourakis, N., Ad­in­da-Oug­ba, A., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., Welp, H., Cogswell, C. J., Brown, T. G., Conchello, J.-A., & Wilson, T. (2013). Quantitative phase analysis through scattering media by depth-filtered digital holography. Three-Dimensional and Multidimensional Microscopy, 85891J-85891J – 8. https://doi.org/10.1117/12.2001159
LibreCat | DOI
 
[77]
2013 | Journal Article | LibreCat-ID: 64458
Jaedicke, V., Gerhardt, N. C., Hofmann, M., Agcaer, S., Goebel, S., & Welp, H. (2013). Contrast enhancement methods in optical coherence tomography using spectral features. Biomedical Engineering, 58(Suppl. 1), 1–2. https://doi.org/10.1515/bmt-2013-4269
LibreCat | DOI
 
[76]
2013 | Book Chapter | LibreCat-ID: 64462
Ludwig, A., Höpfner, H., Gerhardt, N. C., König, J., Hofmann, M. R., Wieck, A., Sothmann, B., Nannen, J., Kümmell, T., & Bacher, G. (2013). Quantum dot spintronics - fundamentals and applications. In Magnetic nanostructures (pp. 235–268). https://doi.org/10.1007/978-3-642-32042-2_7
LibreCat | DOI
 
[75]
2013 | Dissertation | LibreCat-ID: 64454
Gerhardt, N. C., & für Elektrotechnik und Informationstechnik, F. (2013). “More than Moore” - novel photonic concepts for information technology.
LibreCat
 
[74]
2013 | Conference Paper | LibreCat-ID: 64465
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wendes, H., & Keunes, W. (2013). Spin injection, transport, and relaxation in spin light-emitting diodes - magnetic field effects. Spintronics VI, 8813–43. https://doi.org/10.1117/12.2023324
LibreCat | DOI
 
[73]
2012 | Conference Paper | LibreCat-ID: 64476
Koukourakis, N., Funke, D., Gerhardt, N. C., Hofmann, M. R., Klimasch, M., Liebich, S., Zimprich, M., Kunert, B., Volz, K., Stolz, W., Kubby, J., & Reed, G. T. (2012). Photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate. Silicon Photonics VII, 1–6. https://doi.org/10.1117/12.907677
LibreCat | DOI
 
[72]
2012 | Conference Paper | LibreCat-ID: 64477
Höpfner, H., Li, M., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Stromberg, F., Wende, H., & Keune, W. (2012). Room temperature spin relaxation in quantum dot based spin-optoelectronic devices. Ultrafast Phenomena and Nanophotonics XVI, 1–7. https://doi.org/10.1117/12.907821
LibreCat | DOI
 
[71]
2012 | Journal Article | LibreCat-ID: 64485
Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Klimasch, M., Liebich, S., Trusheim, D., Zimprich, M., Volz, K., Stolz, W., & Kunert, B. (2012). Time-resolved photoluminescence and optical gain in Ga(NAsP) pseudomorphically grown on silicon. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[70]
2012 | Journal Article | LibreCat-ID: 64483
Höpfner, H., Ludwig, A., Ebbing, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Stromberg, F., Wende, H., Keune, W., & Fritsche, C. (2012). Temperature dependence of the spin relaxation length in spin quantum dot LEDs. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[69]
2012 | Journal Article | LibreCat-ID: 64482
Jaedicke, V., Agcaer, S., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., & Welp, H. (2012). System development for spectroscopic optical coherence tomography. Biomedical Engineering, 57(Heft SI-1 Track-B), 327. https://doi.org/10.1515/bmt-2012-4245
LibreCat | DOI
 
[68]
2012 | Journal Article | LibreCat-ID: 64481
Gerhardt, N. C., & Hofmann, M. (2012). Spin-controlled vertical-cavity surface-emitting lasers. Advances in Optical Technologies, 268949-1-268949–15. https://doi.org/10.1155/2012/268949
LibreCat | DOI
 
[67]
2012 | Conference Paper | LibreCat-ID: 64470
Li, M., Gerhardt, N. C., Hofmann, M., & Ackemann, T. (2012). Analysis of birefringence controlled ultrafast polarization oscillations in spin vertical-cavity surface-emitting lasers. EOS Annual Meeting 2012 (EOSAM 2012), 104–107.
LibreCat
 
[66]
2012 | Journal Article | LibreCat-ID: 64480
Höpfner, H., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2012). Spin relaxation dynamics in spin-LEDs. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[65]
2012 | Journal Article | LibreCat-ID: 64472
Soldat, H., Li, M., Gerhardt, N. C., Hofmann, M., Ludwig, A., Ebbing, A., Reuter, D., Wieck, A., Stromberg, F., Keune, W., & Wende, H. (2012). Erratum: “Room temperature spin relaxation length in spin light-emitting diodes” - [Appl. Phys. Lett. 99, 051102 (2011)]. Applied Physics Letters, 100(26), 269902–1. https://doi.org/10.1063/1.4728990
LibreCat | DOI
 
[64]
2012 | Journal Article | LibreCat-ID: 64473
Koukourakis, N., Gerhardt, N. C., Hofmann, M., Bückers, C., Funke, D. A., Liebich, S., Chatterjee, S. N., Lange, C., Zimprich, M., Volz, K., Stolz, W., Kunert, B., & Koch, S. W. (2012). High room-temperature optical gain in Ga(NAsP)/Si heterostructures. Applied Physics Letters, 100(9), 092107-1-092107–3. https://doi.org/10.1063/1.3690886
LibreCat | DOI
 
[63]
2012 | Journal Article | LibreCat-ID: 64474
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2012). Magnetic field dependence of the spin relaxation length in spin light-emitting diodes. Applied Physics Letters, 101(11), 112402-1-112402–112404. https://doi.org/10.1063/1.4752162
LibreCat | DOI
 
[62]
2012 | Journal Article | LibreCat-ID: 64471
Koukourakis, N., Jaedicke, V., Ad­in­da-Oug­ba, A., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., & Höpfner, H. (2012). Depth-filtered digital holography. Optics Express, 20(20), 22636–22648. https://doi.org/10.1364/oe.20.022636
LibreCat | DOI
 
[61]
2012 | Conference Paper | LibreCat-ID: 64478
Jaedicke, V., Agcaer, S., Kasseck, C. T., Gerhardt, N. C., Hofmann, M., Goebel, S., & Welp, H. (2012). Signal processing for spectroscopic optical coherence tomography. Proceedings of the 7th International Workshop on Biosignal Interpretation (BSI2012), 224–227.
LibreCat
 
[60]
2012 | Journal Article | LibreCat-ID: 64475
Beckmann, M., Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2012). Multispectral photoacoustic coded excitation using pseudorandom codes - 82231E. Photons plus Ultrasound, 82231E-1-82231E – 8. https://doi.org/10.1117/12.907427
LibreCat | DOI
 
[59]
2011 | Conference Paper | LibreCat-ID: 64497
Gerhardt, N. C., Koukourakis, N., Funke, D., Hofmann, M. R., Klimasch, M., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Volz, K., & Stolz, W. (2011). Time-resolved photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate. 2011 13th International Conference on Transparent Optical Networks (ICTON 2011), 1, 111–114. https://doi.org/10.1109/icton.2011.5970794
LibreCat | DOI
 
[58]
2011 | Journal Article | LibreCat-ID: 64492
Li, M., Jähme, H., Soldat, H., Gerhardt, N. C., Hofmann, M., & Ackemann, T. (2011). Birefringence and spin controlled ultrafast polarization oscillations in vertical-cavity surface-emitting lasers. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO Europe/EQEC 2011), 109. https://doi.org/10.1109/cleoe.2011.5942549
LibreCat | DOI
 
[57]
2011 | Conference Paper | LibreCat-ID: 64494
Beckmann, M., Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2011). Photoacoustic coded excitation using periodically perfect sequences. 2011 IEEE International Ultrasonics Symposium (IUS 2011), 2, 1179–1182. https://doi.org/10.1109/ultsym.2011.0290
LibreCat | DOI
 
[56]
2011 | Conference Paper | LibreCat-ID: 64486
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on Silicon (001) substrate.
LibreCat
 
[55]
2011 | Conference Paper | LibreCat-ID: 64487
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[54]
2011 | Conference Paper | LibreCat-ID: 64496
Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Beckmann, M., Schmitz, G., Hofmann, M. R., Brenner, C., Jörger, M., & Strauß, A. (2011). Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system. Diffuse Optical Imaging III, 1–9. https://doi.org/10.1117/12.889682
LibreCat | DOI
 
[53]
2011 | Journal Article | LibreCat-ID: 64495
Koukourakis, N., Li, M., Lai, R. Y. W., Brenner, C., Gerhardt, N. C., Hofmann, M., Abdelwahab, T., Höpfner, H., & Darakis, E. (2011). Photorefractive two-wave mixing for image amplification in digital holography. Optics Express, 19(22), 22004–22023. https://doi.org/10.1364/oe.19.022004
LibreCat | DOI
 
[52]
2011 | Conference Paper | LibreCat-ID: 64493
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., & Eder, A. (2011). Ex­pe­ri­men­tal eva­lua­ti­on of mul­tis­pec­tral pho­toa­coustic coded ex­ci­ta­ti­on using or­tho­go­nal uni­po­lar golay codes. 442. Wilhelm Und Else Heraeus-Seminar “Molecular Imaging” in Bad Honnef, October 5th - 8th, 2009.
LibreCat
 
[51]
2011 | Conference Paper | LibreCat-ID: 64488
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[50]
2011 | Conference Paper | LibreCat-ID: 64489
Brenner, C., Gerhardt, N. C., Hofmann, M. R., Schmitz, G., Friedrich, C.-S., Mienkina, M. P., Beckmann, M. F., Jörger, M., & Strauß, A. (2011). Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system.
LibreCat
 
[49]
2011 | Conference Paper | LibreCat-ID: 64491
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Buckers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[48]
2011 | Conference Paper | LibreCat-ID: 64490
Gerhardt, N. C., Hofmann, M. R., Jaedicke, V., Kasseck, C., Wiethoff, H., Agcaer, S., & Welp, H. (2011). Spectroscopic optical coherence tomography for substance identification.
LibreCat
 
[47]
2010 | Journal Article | LibreCat-ID: 64505
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Schiffner, M. F., Hofmann, M., Schmitz, G., & Beckmann, M. F. (2010). Multispectral photoacoustic coded excitation imaging using unipolar orthogonal Golay codes. Optics Express, 18(9), 9076–9087. https://doi.org/10.1364/oe.18.009076
LibreCat | DOI
 
[46]
2010 | Journal Article | LibreCat-ID: 64502
Lai, R. Y. W., Koukourakis, N., Gerhardt, N. C., Hamann, S., Ehmann, M., Hackl, K., Ludwig, A., Meyer, R., Hofmann, M. R., & Darakis, E. (2010). Integrity of micro-hotplates during high-temperature operation monitored by digital holographic microscopy. Journal of Microelectromechanical Systems, 19(5), 1175–1179. https://doi.org/10.1109/jmems.2010.2067442
LibreCat | DOI
 
[45]
2010 | Journal Article | LibreCat-ID: 64500
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Wilkening, W. G., Hofmann, M., & Schmitz, G. (2010). Experimental evaluation of photoacoustic coded excitation using unipolar golay codes. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 57(7), 1583–1593. https://doi.org/10.1109/tuffc.2010.1588
LibreCat | DOI
 
[44]
2010 | Conference Paper | LibreCat-ID: 64501
Gerhardt, N. C., Li, M., Jähme, H., Soldat, H., Hofmann, M. R., & Ackemann, T. (2010). Gigahertz circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010, 1–2. https://doi.org/10.1364/cleo.2010.cme6
LibreCat | DOI
 
[43]
2010 | Conference Paper | LibreCat-ID: 64503
Koukourakis, N., Funke, D., Gerhardt, N. C., Hofmann, M., Kunert, B., Liebich, S., Zinnkann, S., Zimprich, M., Beyer, A., Chatterjee, S., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2010). Modal gain analysis of GaNAsP heterostructures on silicon. Frontiers in Optics. https://doi.org/10.1364/fio.2010.jwa56
LibreCat | DOI
 
[42]
2010 | Conference Paper | LibreCat-ID: 64506
Jaedicke, V., Kasseck, C. T., Gerhardt, N. C., Hofmann, M., & Welp, H. (2010). Substance identification in spectroscopic optical coherence tomograhpy using pattern recognition. Frontiers in Optics. https://doi.org/10.1364/fio.2010.ftuy2
LibreCat | DOI
 
[41]
2010 | Conference Paper | LibreCat-ID: 64499
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., & Lai, Y. W. (2010). Photorefractive two-wave mixing for image amplification in digital holography. https://doi.org/10.1364/fio.2010.fthbb5
LibreCat | DOI
 
[40]
2010 | Conference Paper | LibreCat-ID: 64504
Beckmann, M., Mienkina, M., Schmitz, G., Friedrich, C.-S., Gerhardt, N. C., & Hofmann, M. R. (2010). Monospectral photoacoustic imaging using Legendre sequences. 2010 IEEE International Ultrasonics Symposium (IUS), 1, 386–389. https://doi.org/10.1109/ultsym.2010.5935648
LibreCat | DOI
 
[39]
2010 | Conference Paper | LibreCat-ID: 64498
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Zinnkann, S., Zimprich, M., Beyer, A., Chatterjee, S., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2010). Modal gain analysis of GaNAsP heterostructures on silicon.
LibreCat
 
[38]
2009 | Journal Article | LibreCat-ID: 64520
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Kunert, B., Nemeth, I., Zinnkann, S., Lukin, G., Adams, T. B., Fritz, R., Volz, K., Stolz, W., Lange, C., Koester, N. S., Franzbach, D. J., Chatterjee, S. N., & Rühle, W. W. (2009). Op­ti­cal ve­ri­fi­ca­ti­on of gain in Ga(NAsP)/(BGa)(AsP) mul­ti-quan­tum-well he­te­rost­ruc­tu­res mo­no­li­thi­cal­ly grown lat­ti­ce-mat­ched on (001) si­li­con sub­stra­te. Papers Presented at the 35th International Symposium on Compound Semiconductors (ISCS 2008), Rust, Germany, 21 - 24 September 2008, 1349–1523.
LibreCat
 
[37]
2009 | Conference Paper | LibreCat-ID: 64514
Gerhardt, N. C., Hofmann, M., Lange, C., Chatterjee, S. N., Kunert, B., Volz, K., Stolz, W., & Rühle, W. W. (2009). Gain characteristics and lasing of Ga(NAsP) multi-quantum well structures. Papers Presented at the 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 9), 576–578. https://doi.org/10.1002/pssc.200880360
LibreCat | DOI
 
[36]
2009 | Conference Paper | LibreCat-ID: 64519
Koukourakis, N., Kasseck, C., Gerhardt, N. C., Hofmann, M., Rytz, D., Köber, S., Salvador, M., & Meerholz, K. (2009). New concepts for depth resolved holographic imaging based on spectrally tunable diode lasers. Conference on Lasers and Electro-Optics, 2009 and 2009 Quantum Electronics and Laser Science Conference, 1253–1254. https://doi.org/10.1364/cleo.2009.ctuaa2
LibreCat | DOI
 
[35]
2009 | Conference Paper | LibreCat-ID: 64517
Gerhardt, N. C., Kunert, B., Liebich, S., Zimprich, M., Zinnkann, S., Fritz, R., Volz, K., Stolz, W., Lange, C., Köster, N. S., Chatterjee, S. N., & Rühle, W. W. (2009). Lasing of the III/V compound semiconductor Ga(NAsP) integrated lattice-matched to Si substrate. Group IV Photonics, 199–201. https://doi.org/10.1109/group4.2009.5338394
LibreCat | DOI
 
[34]
2009 | Journal Article | LibreCat-ID: 64511
Koukourakis, N., Breede, M., Gerhardt, N. C., Hofmann, M., Köber, S., Salvador, M., & Meerholz, K. (2009). Depth resolved holographic imaging with variable depth resolution using spectrally tunable diode laser. Electronics Letters, 45(1), 46–48. https://doi.org/10.1049/el:20092390
LibreCat | DOI
 
[33]
2009 | Conference Paper | LibreCat-ID: 64523
Kasseck, C., Gerhardt, N. C., Gambichler, T., Hofmann, M., Kratz, M., Torcasio, A., van Lenthe, G. H., Hoffmann, K., & Jones, D. B. (2009). Three-dimensional bone imaging: optical coherence tomography versus micro computer tomography. Optical Coherence Tomography and Coherence Techniques IV, 73721B. https://doi.org/10.1117/12.831814
LibreCat | DOI
 
[32]
2009 | Journal Article | LibreCat-ID: 64521
Koukourakis, N., Kasseck, C., Gerhardt, N. C., Hofmann, M., & Rytz, D. (2009). Single-shot holography for depth resolved three dimensional imaging. Optics Express, 17(23), 21015–21029. https://doi.org/10.1364/oe.17.021015
LibreCat | DOI
 
[31]
2009 | Conference Paper | LibreCat-ID: 64518
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2009). Multispectral photoacoustic coded excitation using orthogonal unipolar golay codes. Diagnostic Imaging, 217–220. https://doi.org/10.1007/978-3-642-03879-2_61
LibreCat | DOI
 
[30]
2009 | Conference Paper | LibreCat-ID: 64516
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Lange, C., Köster, N. S., Franzbach, D. J., Chatterjee, S. N., Rühle, W. W., Zinnkann, S., Liebich, S., Nemeth, R., Fritz, R., Volz, K., Stolz, W., & Kunert, B. (2009). Lasing in optically pumped Ga(NAsP)/(BGa)(AsP) heterstructures on Silicon. Conference on Lasers and Electro-Optics, 2009 and 2009 Quantum Electronics and Laser Science Conference, 1–2. https://doi.org/10.1364/cleo.2009.ctuy2
LibreCat | DOI
 
[29]
2009 | Conference Paper | LibreCat-ID: 64515
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Kunert, B., Liebich, S., Zinnkann, S., Nemeth, R., Fritz, R., Volz, K., Stolz, W., Lange, C., Köster, N. S., Franzbach, D. J., Chatterjee, S. N., & Rühle, W. W. (2009). Laser operation of III/V compound material Ga(NAsP) grown lattice-matched on (001) Si substrate. Device Research Conference, 193–194. https://doi.org/10.1109/drc.2009.5354936
LibreCat | DOI
 
[28]
2009 | Conference Paper | LibreCat-ID: 64513
Mienkina, M., Schmitz, G., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Eder, A. (2009). Feasibility study of multispectral photoacoustic coded excitation using orthogonal unipolar Golay codes. 2009 IEEE Ultrasonics Symposium, 1, 108–111. https://doi.org/10.1109/ultsym.2009.5441941
LibreCat | DOI
 
[27]
2009 | Journal Article | LibreCat-ID: 64512
Mienkina, M., Friedrich, C.-S., Hensel, K., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2009). Evaluation of Ferucarbotran (Resovist®) as a photoacoustic contrast agent. Biomedical Engineering, 54(2), 83–88. https://doi.org/10.1515/bmt.2009.012
LibreCat | DOI
 
[26]
2009 | Conference Paper | LibreCat-ID: 64522
Hövel, S., Gerhardt, N. C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Schuster, E. U., & Keune, W. (2009). Spin-con­trol­led op­to­elec­tro­nic de­vices. Papers Presented at the 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 9), 436–439. https://doi.org/10.1002/pssc.200880357
LibreCat | DOI
 
[25]
2009 | Conference Paper | LibreCat-ID: 64509
Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Schmitz, G., Hofmann, M., & Wawreczko, M.-C. (2009). Compact semiconductor laser sources for photoacoustic imaging. Photons plus Ultrasound, 1–7. https://doi.org/10.1117/12.809261
LibreCat | DOI
 
[24]
2009 | Conference Paper | LibreCat-ID: 64510
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M. R., Schmitz, G., & Eder, A. (2009). Comparison of coding techniques for photoacoustic coded excitation. Proceedings, 1, 313–316.
LibreCat
 
[23]
2008 | Conference Paper | LibreCat-ID: 64524
Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., Mienkina, M. P., & Eder, A. (2008). Evaluation of simplex codes for photoacoustic coded excitation. 4th European Conference of the International Federation for Medical and Biological Engineering, 1, 444–447. https://doi.org/10.1007/978-3-540-89208-3_105
LibreCat | DOI
 
[22]
2008 | Conference Paper | LibreCat-ID: 64525
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., & Eder, A. (2008). Simulation study of photoacoustic coded excitation using Golay codes. IEEE Ultrasonics Symposium, 2008, 1242–1245. https://doi.org/10.1109/ultsym.2008.0300
LibreCat | DOI
 
[21]
2007 | Conference Paper | LibreCat-ID: 64527
Breede, M., Kasseck, C., Brenner, C., Gerhardt, N. C., Hofmann, M., & Höfling, R. (2007). External-cavity diode laser utilizing a micromirror device for spectral tuning. Optical Measurement Systems for Industrial Inspection V, 1–11. https://doi.org/10.1117/12.726825
LibreCat | DOI
 
[20]
2007 | Journal Article | LibreCat-ID: 64528
Breede, M., Kasseck, C., Brenner, C., Gerhardt, N. C., Hofmann, M., & Höfling, R. (2007). Micromirror device controlled tunable diode laser. Electronics Letters, 43(8), 456–457. https://doi.org/10.1049/el:20073651
LibreCat | DOI
 
[19]
2007 | Conference Paper | LibreCat-ID: 64529
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hensel, K., Brenner, C., Hofmann, M., Schmitz, G., & Waldeck, K. (2007). Photoacoustic imaging of Fibrosarcoma using RGD-Cy 3 as a targeted contrast agent. IEEE Ultrasonics Symposium, 2007, 5, 2409–2412. https://doi.org/10.1109/ultsym.2007.606
LibreCat | DOI
 
[18]
2007 | Journal Article | LibreCat-ID: 64526
Mienkina, M., Gerhardt, N. C., Breede, M., Brenner, C., Hofmann, M., Schmitz, G., & Waldeck, K. (2007). Evaluation eines kommerziellen Ultraschallgeräts für den Einsatz im photoakustischen Reflexionsmodus. Biomedical Engineering, 52(S1), G2-1.
LibreCat
 
[17]
2007 | Journal Article | LibreCat-ID: 64531
Hövel, S., Gerhardt, N. C., Brenner, C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Schuster, E. U., & Keune, W. (2007). Spin-controlled LEDs and VCSELs. Physica Status Solidi, 204(2), 500–507. https://doi.org/10.1002/pssa.200673219
LibreCat | DOI
 
[16]
2007 | Conference Paper | LibreCat-ID: 64530
Kasseck, C., Gerhardt, N. C., Hofmann, M., & Lehmann, K. (2007). Spectroscopic fourier domain optical coherence tomography. Optical Coherence Tomography and Coherence Techniques III, 1–9. https://doi.org/10.1117/12.728416
LibreCat | DOI
 
[15]
2006 | Dissertation | LibreCat-ID: 64534
Gerhardt, N. C., & für Elektrotechnik und Informationstechnik, F. (2006). Optische Verstärkung und Spin-kontrollierte Emission von Halbleiterlasern.
LibreCat
 
[14]
2006 | Journal Article | LibreCat-ID: 64533
Mienkina, M., Hensel, K., Le, N. T., Gerhardt, N. C., Bründermann, E., Havenith, M., Hofmann, M., Schmitz, G., & Kopf, I. (2006). Experimentelle Charakterisierung von Ferucarbotran als photoakustisches Kontrastmittel. Biomedical Engineering, 51(Suppl.), 1–2.
LibreCat
 
[13]
2006 | Conference Paper | LibreCat-ID: 64532
Mienkina, M., Hensel, K., Le, N. T., Gerhardt, N. C., Hansen, C., Hofmann, M., & Schmitz, G. (2006). Experimental characterization of ferucarbotran (Resovist ®) as a photoacoustic nanoparticle contrast agent. Proceedings, 1, 393–396. https://doi.org/10.1109/ultsym.2006.111
LibreCat | DOI
 
[12]
2005 | Conference Paper | LibreCat-ID: 64536
Gerhardt, N. C., Hövel, S., Brenner, C., Hofmann, M., Reuter, D., Wieck, A., & Yang, J. (2005). Spin-controlled LEDs and VCSELs. Physics and Simulation of Optoelectronic Devices XIII, 221–229. https://doi.org/10.1117/12.590346
LibreCat | DOI
 
[11]
2005 | Journal Article | LibreCat-ID: 64535
Gerhardt, N. C., Hövel, S., Brenner, C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Westerholt, K., Schuster, E. U., & Keune, W. (2005). Electron spin injection into GaAs from ferromagnetic contacts in remanence. Applied Physics Letters, 87(3), 1–3. https://doi.org/10.1063/1.1996843
LibreCat | DOI
 
[10]
2003 | Conference Paper | LibreCat-ID: 64538
Hofmann, M., & Gerhardt, N. C. (2003). Gain and emission dynamics of dilute nitride quantum well lasers. Frontiers in Optics 2003. https://doi.org/10.1364/fio.2003.thn1
LibreCat | DOI
 
[9]
2003 | Conference Paper | LibreCat-ID: 64539
Gerhardt, N. C., Hofmann, N., Stolz, W., Koch, W., Hader, J., Moloney, J. V., Egorov, A. Y., & Riechert, H. (2003). Optical gain of 1.3 μm (GaIn)(NAs)/GaAs lasers - a comparison between theory and experiment. Special Section on Semiconductor Optoelectronics.
LibreCat
 
[8]
2003 | Journal Article | LibreCat-ID: 64540
Gerhardt, N. C., Hofmann, M., & Rühle, W. W. (2003). Optical spectroscopy of 1.3 μm (GaIn)(NAs)/GaAs lasers. IEE Proceedings, 150(1), 45–48. https://doi.org/10.1049/ip-opt:20030035
LibreCat | DOI
 
[7]
2003 | Conference Paper | LibreCat-ID: 64537
Gerhardt, N. C., & Hofmann, M. R. (2003). Experimentelle Methoden zur Bestimmung der optischen Verstärkung von 1.3µm (GaIn)(NAs)/GaAs Halbleiterlasern. Frühjahrstagung Des Arbeitskreises Festkörperphysik Bei Der DPG.
LibreCat
 
[6]
2002 | Journal Article | LibreCat-ID: 64541
Hofmann, M., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Stolz, W., Koch, S. W., Rühle, W. W., Hader, J., Moloney, J. V., O‘Reilly, E. P., Borchert, B., Egorov, A. Y., Riechert, H., Schneider, H. C., & Chow, W. W. (2002). Emission dynamics and optical gain of 1.3 \mum (GaIn)(NAs)/GaAs Lasers. IEEE Journal of Quantum Electronics / Institute of Electrical and Electronics Engineers, 38(2), 213–221. https://doi.org/10.1109/3.980275
LibreCat | DOI
 
[5]
2002 | Conference Paper | LibreCat-ID: 64542
Gerhardt, N. C., Hofmann, M., Hantke, K., Stolz, W., Koch, S. W., Hader, J., Moloney, J. V., Egorov, A. Y., & Riechert, H. (2002). Influence of growth conditions on the optical gain of 1.3 /spl mu/m (GaIn)(NAs)/GaAs lasers. Conference Digest, 85–86. https://doi.org/10.1109/islc.2002.1041130
LibreCat | DOI
 
[4]
2001 | Conference Paper | LibreCat-ID: 64543
Hofmann, M., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Leu, S., Stolz, W., & Rühle, W. W. (2001). Emission dynamics of (GaIn)(NAs)/GaAs lasers emitting at 1.3 μm. Physics and Simulation of Optoelectronic Devices IX, 256–266. https://doi.org/10.1117/12.432573
LibreCat | DOI
 
[3]
2001 | Conference Paper | LibreCat-ID: 64545
Hofmann, M. R., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Koch, S. W., Rühle, W. W., Hader, J., Moloney, J. V., & Stolz, W. (2001). Optische Verstärkung von (GaIn)(NAs)/GaAs Halbleiterlasern. 65. Physikertagung & Frühjahrstagung Des Arbeitskreises Festkörperphysik Bei Der DPG.
LibreCat
 
[2]
2001 | Conference Paper | LibreCat-ID: 64546
Hofmann, M., Gerhardt, N. C., Wagner, A., Stolz, W., Koch, S. W., Rühle, W. W., & Hader, J. (2001). Physics of 1.3µm (GaIn)(NAs)/GaAs semiconductor lasers. LEOS 2001, 1, 326–327. https://doi.org/10.1109/leos.2001.969307
LibreCat | DOI
 
[1]
2001 | Book Chapter | LibreCat-ID: 64547
Hägele, D., Gerhardt, N. C., Hofmann, M., Oestreich, M., Hübner, J., Bender, M., Rühle, W. W., Kalt, H., Hartmann, T., Klar, P. J., Heimbrodt, W., & Stolz, W. (2001). Spintronics - Spin electronics and optoelectronics in semiconductors. In Advances in Solid State Physics 41 (pp. 173–186). https://doi.org/10.1007/3-540-44946-9_15
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[180]
2025 | Journal Article | LibreCat-ID: 61932
Ledentsov, N. N., Ledentsov, N., Shchukin, V. A., Ledentsov, A. N., Makarov, O. Yu., Titkov, I. E., Lindemann, M., de Adelsburg Ettmayer, T., Gerhardt, N. C., Hofmann, M. R., Chen, X., Hurley, J. E., Dong, H., & Li, M.-J. (2025). VCSELs: Influence of Design on Performance and Data Transmission over Multi-Mode and Single-Mode Fibers. Photonics, 12(10), Article 1037. https://doi.org/10.3390/photonics12101037
LibreCat | DOI
 
[179]
2025 | Journal Article | LibreCat-ID: 61931
Diiankova, U., Drong, M., Pusch, T., Michalzik, R., Lindemann, M., Gerhardt, N. C., & Hofmann, M. R. (2025). Multimode vertical-cavity surface-emitting lasers under spin injection. APL Photonics, 10(10), Article 106120. https://doi.org/10.1063/5.0286998
LibreCat | DOI
 
[178]
2025 | Journal Article | LibreCat-ID: 64551
Lindemann, M., D’Alessandro, M., Ledentsov, N., Makarov, O. Y., Ledentsov, N. N., Tibaldi, A., Gerhardt, N. C., & Hofmann, M. R. (2025). Laterally coupled vertical-cavity surface-emitting lasers with                    tunable resonance width and frequency. Journal of Applied Physics, 138(5), Article 053102. https://doi.org/10.1063/5.0275622
LibreCat | DOI
 
[177]
2025 | Conference Paper | LibreCat-ID: 64293
Gerhardt, N. C., Hofmann, M. R., Zens, L., Möller, J., & Besaga, V. (2025). Quantitative holography for the characterisation of semiconductor amplifieres and lasers. Practical Holography XXXIX: Displays, Materials, and Applications. https://doi.org/10.1117/12.3041318
LibreCat | DOI
 
[176]
2024 | Journal Article | LibreCat-ID: 64550
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express. https://doi.org/10.1364/oe.538741
LibreCat | DOI
 
[175]
2024 | Journal Article | LibreCat-ID: 64585
Lindemann, M., Gerhardt, N. C., Dainone, P. A., Renucci, P., Bouché, A., Morassi, M., Devaux, X., George, J.-M., Jaffrès, H., Lemaitre, A., Xu, B., Stoffel, M., Chen, T., Lombez, L., Lagarde, D., Cong, G., Ma, T., Pigeat, P., Vergnat, M., … Lu, Y. (2024). Controlling the helicity of light by electrical magnetization switching. Nature, 627(8005), 783–788. https://doi.org/10.1038/s41586-024-07125-5
LibreCat | DOI
 
[174]
2024 | Journal Article | LibreCat-ID: 64549
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express. https://doi.org/10.1364/oe.538741
LibreCat | DOI
 
[173]
2024 | Conference Paper | LibreCat-ID: 64296
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Ledentsov, N. N., Shchukin, V. A., Makarov, O. Y., Zerova, V., D’alessandro, M., Tibaldi, A., & Turkiewicz, J. P. (2024). Study of Electrically Excited Photon-Photon Resonances in Self-Injection-Locked Coupled-Cavity VCSELs. 2024 IEEE 29th International Semiconductor Laser Conference (ISLC). https://doi.org/10.1109/islc57752.2024.10717381
LibreCat | DOI
 
[172]
2024 | Journal Article | LibreCat-ID: 64295
Zens, L., Besaga, V., Möller, J., Gerhardt, N. C., & Hofmann, M. R. (2024). Holographic measurement of gain and linewidth enhancement factor in semiconductor waveguides. Optics Express, 33(1), 34–49. https://doi.org/10.1364/oe.538741
LibreCat | DOI
 
[171]
2024 | Journal Article | LibreCat-ID: 59663
Dainone, P. A., Prestes, N. F., Renucci, P., Bouché, A., Morassi, M., Devaux, X., Lindemann, M., George, J.-M., Jaffrès, H., Lemaitre, A., Xu, B., Stoffel, M., Chen, T., Lombez, L., Lagarde, D., Cong, G., Ma, T., Pigeat, P., Vergnat, M., … Lu, Y. (2024). Controlling the helicity of light by electrical magnetization switching. Nature, 627(8005), 783–788. https://doi.org/10.1038/s41586-024-07125-5
LibreCat | DOI
 
[170]
2022 | Journal Article | LibreCat-ID: 59668
Heermeier, N., Heuser, T., Große, J., Jung, N., Kaganskiy, A., Lindemann, M., Gerhardt, N. C., Hofmann, M. R., & Reitzenstein, S. (2022). Spin‐Lasing in Bimodal Quantum Dot Micropillar Cavities. Laser & Photonics Reviews, 16(4). https://doi.org/10.1002/lpor.202100585
LibreCat | DOI
 
[169]
2020 | Journal Article | LibreCat-ID: 59686
Shi, Y., Kreuzer, L. C., Gerhardt, N. C., Pantouvaki, M., Van Campenhout, J., Baryshnikova, M., Langer, R., Van Thourhout, D., & Kunert, B. (2020). Time-resolved photoluminescence characterization of InGaAs/GaAs nano-ridges monolithically grown on 300 mm Si substrates. Journal of Applied Physics, 127(10). https://doi.org/10.1063/1.5139636
LibreCat | DOI
 
[168]
2020 | Journal Article | LibreCat-ID: 59685
Žutić, I., Xu, G., Lindemann, M., Faria Junior, P. E., Lee, J., Labinac, V., Stojšić, K., Sipahi, G. M., Hofmann, M. R., & Gerhardt, N. C. (2020). Spin-lasers: spintronics beyond magnetoresistance. Solid State Communications, 316–317, Article 113949. https://doi.org/10.1016/j.ssc.2020.113949
LibreCat | DOI
 
[167]
2020 | Journal Article | LibreCat-ID: 59684
Schnitzler, L., Neutsch, K., Schellenberg, F., Hofmann, M. R., & Gerhardt, N. C. (2020). Confocal laser scanning holographic microscopy of buried structures. Applied Optics, 60(4), Article A8. https://doi.org/10.1364/ao.403687
LibreCat | DOI
 
[166]
2019 | Conference Paper | LibreCat-ID: 64361
Neutsch, K., Hofmann, M. R., Gerhardt, N. C., Schnitzler, L., & Tranelis, M. J. (2019). Three-dimensional particle localization with common-path digital holographic microscopy. Practical Holography XXXIII: Displays, Materials, and Applications. https://doi.org/10.1117/12.2509448
LibreCat | DOI
 
[165]
2019 | Book Chapter | LibreCat-ID: 64360
Gerhardt, N. C., Žutić, I., Lee, J., Gøthgen, C., Farla, Paulo E., J., Xu, G., & Sipahi, G. M. (2019). Semiconductor spin-lasers. In Nanoscale spintronics and applications (pp. 499–540).
LibreCat
 
[164]
2019 | Journal Article | LibreCat-ID: 59687
Lindemann, M., Xu, G., Pusch, T., Michalzik, R., Hofmann, M. R., Žutić, I., & Gerhardt, N. C. (2019). Ultrafast spin-lasers. Nature, 568(7751), 212–215. https://doi.org/10.1038/s41586-019-1073-y
LibreCat | DOI
 
[163]
2018 | Conference Paper | LibreCat-ID: 64371
Hofmann, M. R., Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Dillmann, C., & Welp, H. (2018). Brain tissue analysis using texture features based on optical coherence tomography images. Optical Coherence Tomography and Coherence Domain Optical Methods in Biomedicine XXII. https://doi.org/10.1117/12.2292032
LibreCat | DOI
 
[162]
2018 | Conference Paper | LibreCat-ID: 64372
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Hofmann, M. R., Dillmann, C., & Welp, H. (2018). Classification of brain tissue with optical coherence tomography by employing texture analysis. Optics, Photonics, and Digital Technologies for Imaging Applications V. https://doi.org/10.1117/12.2307701
LibreCat | DOI
 
[161]
2018 | Conference Paper | LibreCat-ID: 64376
Hofmann, M. R., Gerhardt, N. C., Finkeldey, M., & Göring, L. (2018). Digital holography for the investigation of buried structures with a common-path reflection microscope. Practical Holography XXXII: Displays, Materials, and Applications. https://doi.org/10.1117/12.2289524
LibreCat | DOI
 
[160]
2018 | Conference Paper | LibreCat-ID: 64379
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., Michalzik, R., & Scherübl, S. (2018). Thermally-induced birefringence in VCSELs - approaching the limits. Semiconductor Lasers and Laser Dynamics VIII. https://doi.org/10.1117/12.2306215
LibreCat | DOI
 
[159]
2018 | Conference Paper | LibreCat-ID: 64375
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2018). Demonstrating ultrafast polarization dynamics in spin-VCSELs. Vertical-Cavity Surface-Emitting Lasers XXII. https://doi.org/10.1117/12.2289560
LibreCat | DOI
 
[158]
2018 | Conference Paper | LibreCat-ID: 64378
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Michalzik, R., & Pusch, T. (2018). Spin lasers for optical data communication. Semiconductor Lasers and Laser Dynamics VIII. https://doi.org/10.1117/12.2306464
LibreCat | DOI
 
[157]
2018 | Conference Paper | LibreCat-ID: 64377
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Michalzik, R., & Pusch, T. (2018). Electrical birefringence tuning of VCSELs. Vertical-Cavity Surface-Emitting Lasers XXII. https://doi.org/10.1117/12.2295917
LibreCat | DOI
 
[156]
2018 | Conference Paper | LibreCat-ID: 64374
Gerhardt, N. C., Neutsch, K., & Göring, L. (2018). Common-path digital holographic microscopy for 3D nanoparticle localization. Nanoimaging and Nanospectroscopy VI. https://doi.org/10.1117/12.2321175
LibreCat | DOI
 
[155]
2018 | Conference Paper | LibreCat-ID: 64380
Gerhardt, N. C., Xu, G., & Žutić, I. (2018). Toward ultrafast spin lasers? APS March Meeting 2018.
LibreCat
 
[154]
2018 | Journal Article | LibreCat-ID: 64370
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Dillmann, C., Stroop, R., & Welp, H. (2018). Automated differentiation between meningioma and healthy brain tissue based on optical coherence tomography ex vivo images using texture features. Journal of Biomedical Optics, 23(7), 071205. https://doi.org/10.1117/1.jbo.23.7.071205
LibreCat | DOI
 
[153]
2018 | Conference Paper | LibreCat-ID: 64369
Besaga, V., Gerhardt, N. C., Hofmann, M. R., & Maksimyak, P. P. (2018). A direct-view customer-oriented digital holographic camera. Thirteenth International Conference on Correlation Optics. https://doi.org/10.1117/12.2304923
LibreCat | DOI
 
[152]
2017 | Journal Article | LibreCat-ID: 64403
Lindemann, M., Gerhardt, N. C., Hofmann, M. R. (ORCiD: 0000-0003-1265-0003), Pusch, T., La Tona, E., & Michalzik, R. (2017). Thermally induced birefringence tuning of 37 GHz in VCSELs. 2017 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC 2017), 1, 108. https://doi.org/10.1109/cleoe-eqec.2017.8086349
LibreCat | DOI
 
[151]
2017 | Conference Paper | LibreCat-ID: 64402
Lenz, M., Krug, R., Gerling, A., Schmieder, K., Hofmann, M., Gerhardt, N. C., Dillmann, C., & Welp, H. (2017). Spectroscopic optical coherence tomography for ex vivo brain tumor analysis. Advanced Biomedical and Clinical Diagnostic and Surgical Guidance Systems XV. https://doi.org/10.1117/12.2252141
LibreCat | DOI
 
[150]
2017 | Conference Paper | LibreCat-ID: 64399
Finkeldey, M., Göring, L., Schellenberg, F., Brenner, C., Gerhardt, N. C., & Hofmann, M. R. (2017). Multimodal backside imaging of a microcontroller using confocal laser scanning and optical-beam-induced current imaging. Photonic Instrumentation Engineering IV. https://doi.org/10.1117/12.2250912
LibreCat | DOI
 
[149]
2017 | Journal Article | LibreCat-ID: 64401
Finkeldey, M., Schellenberg, F., Brenner, C., Hofmann, M. R., Gerhardt, N. C., & Göring, L. (2017). Optical metrology for the investigation of buried technical structures. Technisches Messen, 85(2), 104–110. https://doi.org/10.1515/teme-2017-0096
LibreCat | DOI
 
[148]
2017 | Conference Paper | LibreCat-ID: 64398
Cherkashin, M. N., Brenner, C., Putro, W. D., Döpke, B., Gerhardt, N. C., & Hofmann, M. R. (2017). Linking transducer transfer function with multi-pulse excitation photoacoustic response. Medical Imaging 2017: Ultrasonic Imaging and Tomography. https://doi.org/10.1117/12.2254577
LibreCat | DOI
 
[147]
2017 | Conference Paper | LibreCat-ID: 64400
Lenz, M., Gerhardt, N. C., Prange, M., Hofmann, M. R., Mazzon, C., Dillmann, C., & Welp, H. (2017). Nondestructive evaluation of protective coatings for the conservation of industrial monuments. Optics for Arts, Architecture, and Archaeology VI. https://doi.org/10.1117/12.2270170
LibreCat | DOI
 
[146]
2017 | Conference Paper | LibreCat-ID: 64397
Göring, L., Finkeldey, M., Ad­in­da-Oug­ba, A., Gerhardt, N. C., & Hofmann, M. (2017). Lensless digital holographic microscope using in-line configuration and laser diode illumination. Practical Holography XXXI: Materials and Applications. https://doi.org/10.1117/12.2250927
LibreCat | DOI
 
[145]
2017 | Journal Article | LibreCat-ID: 64386
Lenz, M., Gerhardt, N. C., Hofmann, M., Mazzon, C., Dillmann, C., Welp, H., & Prange, M. (2017). Spectral domain optical coherence tomography for non-destructive testing of protection coatings on metal substrates. Applied Sciences, 7(4). https://doi.org/10.3390/app7040364
LibreCat | DOI
 
[144]
2017 | Journal Article | LibreCat-ID: 64385
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., Michalzik, R., & La Tona, E. (2017). Monolithic vertical-cavity surface-emitting laser with thermally tunable birefringence. Applied Physics Letters, 110(15). https://doi.org/10.1063/1.4980025
LibreCat | DOI
 
[143]
2017 | Conference Paper | LibreCat-ID: 64393
Cherkashin, M. N., Brenner, C., Putro, W. D., Döpke, B., Gerhardt, N. C., & Hofmann, M. R. (2017). Dynamics of the photoacoustic response of single-element PZT transducers to pulse burst excitation. Photons Plus Ultrasound: Imaging and Sensing 2017. https://doi.org/10.1117/12.2253051
LibreCat | DOI
 
[142]
2017 | Journal Article | LibreCat-ID: 64384
Finkeldey, M., Göring, L., Brenner, C., Hofmann, M., & Gerhardt, N. C. (2017). Depth-filtering in common-path digital holographic microscopy. Optics Express, 25(16), 19398–19407. https://doi.org/10.1364/oe.25.019398
LibreCat | DOI
 
[141]
2017 | Conference Paper | LibreCat-ID: 64388
Finkeldey, M., Schellenberg, F., Gerhardt, N. C., Hofmann, M., & Göring, L. (2017). Backside imaging of a microcontroller with common-path digital holography. Practical Holography XXXI: Materials and Applications. https://doi.org/10.1117/12.2250903
LibreCat | DOI
 
[140]
2017 | Conference Paper | LibreCat-ID: 64395
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2017). Investigations on polarization oscillation amplitudes in spin-VCSELs. Vertical-Cavity Surface-Emitting Lasers XXI. https://doi.org/10.1117/12.2252490
LibreCat | DOI
 
[139]
2017 | Journal Article | LibreCat-ID: 64392
Finkeldey, M., Brenner, C. (ORCiD: 0000-0002-8764-9261), Gerhardt, N. C., Hofmann, M. R., & Göring, L. (2017). Digital holographic microscopy of buried specimen using a common-path reflective setup. DGaO-Proceedings, 118.
LibreCat
 
[138]
2017 | Conference Paper | LibreCat-ID: 64391
Besaga, V., Gerhardt, N. C., Hofmann, M. R., & Maksimyak, P. P. (2017). Common-path holographic objective for conventional photographic camera. Novel Optical Systems Design and Optimization XX. https://doi.org/10.1117/12.2273890
LibreCat | DOI
 
[137]
2017 | Conference Paper | LibreCat-ID: 64394
Lindemann, M., Hofmann, M. R., Gerhardt, N. C., Pusch, T., & Michalzik, R. (2017). High-frequency polarization dynamics in spin-lasers - pushing the limits. Spintronics X. https://doi.org/10.1117/12.2272972
LibreCat | DOI
 
[136]
2016 | Journal Article | LibreCat-ID: 59690
Lindemann, M., Pusch, T., Michalzik, R., Gerhardt, N. C., & Hofmann, M. R. (2016). Frequency tuning of polarization oscillations: Toward high-speed spin-lasers. Applied Physics Letters, 108(4). https://doi.org/10.1063/1.4940713
LibreCat | DOI
 
[135]
2016 | Preprint | LibreCat-ID: 64425
Schellenberg, F., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Moradi, A., & Paar, C. (2016). Large laser spots and fault sensitivity analysis.
LibreCat
 
[134]
2016 | Journal Article | LibreCat-ID: 64426
Lenz, M., Krug, R., Gerhardt, N. C., Schmieder, K., Hofmann, M., Dillmann, C., & Welp, H. (2016). Local bi­na­ry pat­terns for dif­fe­ren­tia­ti­on of brain tis­sue types in­op­ti­cal co­he­rence to­mo­gra­phy ima­ges. Biomedical Engineering, 61(Suppl. 1).
LibreCat
 
[133]
2016 | Conference Paper | LibreCat-ID: 64424
Schellenberg, F., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Moradi, A., & Paar, C. (2016). Large laser spots and fault sensitivity analysis. 2016 IEEE International Symposium on Hardware Oriented Security and Trust (HOST 2016), 203–208. https://doi.org/10.1109/hst.2016.7495583
LibreCat | DOI
 
[132]
2016 | Conference Paper | LibreCat-ID: 64420
Finkeldey, M., Schellenberg, F., Gerhardt, N. C., Paar, C., & Hofmann, M. (2016). Common-path depth-filtered digital holography for high resolution imaging of buried semiconductor structures. Practical Holography XXX: Materials and Applications. https://doi.org/10.1117/12.2212454
LibreCat | DOI
 
[131]
2016 | Conference Paper | LibreCat-ID: 64423
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Influence of birefringence splitting on ultrafast polarization oscillations in VCSELs. Vertical-Cavity Surface-Emitting Lasers XX. https://doi.org/10.1117/12.2212413
LibreCat | DOI
 
[130]
2016 | Conference Paper | LibreCat-ID: 64427
Gerhardt, N. C., Faria, Paulo E., Jr., Xu, G., Lee, J., Sipahi, G. M., & Žutić, I. (2016). Microscopic description of a spin laser. APS March Meeting 2016.
LibreCat
 
[129]
2016 | Conference Paper | LibreCat-ID: 64422
Lindemann, M., Hofmann, M. R., Gerhardt, N. C., Pusch, T., & Michalzik, R. (2016). Frequency tuning of polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2229358
LibreCat | DOI
 
[128]
2016 | Conference Paper | LibreCat-ID: 64419
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Birefringent vertical cavity surface-emitting lasers - toward high-speed spin-lasers. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2229356
LibreCat | DOI
 
[127]
2016 | Conference Paper | LibreCat-ID: 64415
Brenner, C., Göring, L., Döpke, B., Cherkashin, M. N., Gerhardt, N. C., & Hofmann, M. R. (2016). Dynamics of double-pulse photoacoustic excitation. Photons Plus Ultrasound: Imaging and Sensing 2016. https://doi.org/10.1117/12.2213476
LibreCat | DOI
 
[126]
2016 | Journal Article | LibreCat-ID: 64421
Göring, L., Finkeldey, M., Gerhardt, N. C., & Hofmann, M. R. (2016). Common-path digital holography microscopy of buried semiconductor specimen. Adaptive Optics: Analysis, Methods & Systems. https://doi.org/10.1364/3d.2016.jw4a.40
LibreCat | DOI
 
[125]
2016 | Conference Paper | LibreCat-ID: 64418
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Bou Sanayeh, M., Mich­al­zik, R., & Pusch, T. (2016). Birefringence tuning of VCSELs. Semiconductor Lasers and Laser Dynamics VII. https://doi.org/10.1117/12.2228091
LibreCat | DOI
 
[124]
2016 | Conference Paper | LibreCat-ID: 64411
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/aoms.2016.jw4a.40
LibreCat | DOI
 
[123]
2016 | Conference Paper | LibreCat-ID: 64413
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Goring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/cosi.2016.jw4a.40
LibreCat | DOI
 
[122]
2016 | Conference Paper | LibreCat-ID: 64417
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Goring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen.
LibreCat
 
[121]
2016 | Conference Paper | LibreCat-ID: 64416
Schellenberg, F., Finkeldey, M., Richter, B., Gerhardt, N. C., Hofmann, M., Paar, C., & Schapers, M. (2016). On the complexity reduction of laser fault injection campaigns using OBIC measurements. 2015 Workshop on Fault Diagnosis and Tolerance in Cryptography - FDTC 2015, 14–27. https://doi.org/10.1109/fdtc.2015.10
LibreCat | DOI
 
[120]
2016 | Conference Paper | LibreCat-ID: 64407
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). High-frequency operation of spin vertical-cavity surface-emitting lasers - towards 100 GHz. Spintronics IX. https://doi.org/10.1117/12.2237163
LibreCat | DOI
 
[119]
2016 | Journal Article | LibreCat-ID: 64406
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2016). Frequency tuning of polarization oscillations in spin-lasers. Spintronics IX. https://doi.org/10.1117/12.2237566
LibreCat | DOI
 
[118]
2016 | Conference Paper | LibreCat-ID: 64408
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/aio.2016.jw4a.40
LibreCat | DOI
 
[117]
2016 | Conference Paper | LibreCat-ID: 64409
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/math.2016.jw4a.40
LibreCat | DOI
 
[116]
2016 | Conference Paper | LibreCat-ID: 64410
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Go, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen. https://doi.org/10.1364/isa.2016.jw4a.40
LibreCat | DOI
 
[115]
2016 | Conference Paper | LibreCat-ID: 64412
Gerhardt, N. C., Hofmann, M. R., Finkeldey, M., & Göring, L. (2016). Common-path digital holography microscopy of buried semiconductor specimen.
LibreCat
 
[114]
2015 | Journal Article | LibreCat-ID: 59691
Faria Junior, P. E., Xu, G., Lee, J., Gerhardt, N. C., Sipahi, G. M., & Žutić, I. (2015). Toward high-frequency operation of spin lasers. Physical Review B, 92(7), Article 075311. https://doi.org/10.1103/physrevb.92.075311
LibreCat | DOI
 
[113]
2015 | Journal Article | LibreCat-ID: 59693
Faria Junior, P. E., Xu, G., Lee, J., Gerhardt, N. C., Sipahi, G. M., & Žutić, I. (2015). Toward high-frequency operation of spin lasers. Physical Review B, 92(7), Article 075311. https://doi.org/10.1103/physrevb.92.075311
LibreCat | DOI
 
[112]
2015 | Conference Paper | LibreCat-ID: 64444
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Tu­ning the fre­quen­cy of po­la­riza­t­i­on oscil­la­ti­ons in spin VC­SELs by me­cha­ni­cal strain in­duc­tion in GHz-ran­ge. The European Conference on Lasers and Electro-Optics 2015.
LibreCat
 
[111]
2015 | Conference Paper | LibreCat-ID: 64441
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz. The European Conference on Lasers and Electro-Optics 2015.
LibreCat
 
[110]
2015 | Preprint | LibreCat-ID: 64442
Schellenberg, F., Finkeldey, M., Richter, B., Gerhardt, N. C., Hofmann, M. R., Paar, C., & Schäpers, M. (2015). On the complexity reduction of laser fault injection campaigns using OBIC measurements.
LibreCat
 
[109]
2015 | Journal Article | LibreCat-ID: 64430
Ad­in­da-Oug­ba, A., Koukourakis, N., Gerhardt, N. C., & Hofmann, M. (2015). Simple concept for a wide-field lensless digital holographic microscope using a laser diode. Current Directions in Biomedical Engineering, 1(1), 261–264. https://doi.org/10.1515/cdbme-2015-0065
LibreCat | DOI
 
[108]
2015 | Conference Paper | LibreCat-ID: 64432
Cherkashin, M. N., Brenner, C., Schnitzler, L., Döpke, B., Gerhardt, N. C., & Hofmann, M. (2015). Laser-diode-based photoacoustic setup to analyze Grüneisen relaxation-effect induced signal enhancement. Opto-Acoustic Methods and Applications in Biophotonics II. https://doi.org/10.1117/12.2183957
LibreCat | DOI
 
[107]
2015 | Conference Paper | LibreCat-ID: 64436
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Ultrafast polarization dynamics with controlled polarization oscillations in vertical-cavity surface-emitting lasers. Vertical-Cavity Surface-Emitting Lasers XIX, 1–7. https://doi.org/10.1117/12.2076920
LibreCat | DOI
 
[106]
2015 | Conference Paper | LibreCat-ID: 64443
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Towards high frequency operation of polarization oscillations in spin vertical-cavity surface-emitting lasers. Spintronics VIII. https://doi.org/10.1117/12.2197969
LibreCat | DOI
 
[105]
2015 | Journal Article | LibreCat-ID: 64435
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Controlling the frequency of ultra-fast polarization oscillations in Spin-VCSELs. 79. Jahrestagung Der DPG Und DPG-Frühjahrstagung.
LibreCat
 
[104]
2015 | Conference Paper | LibreCat-ID: 64440
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Tuning the frequency of polarization oscillations in spin-VCSELs by mechanical strain induction.
LibreCat
 
[103]
2015 | Conference Paper | LibreCat-ID: 64438
Lindemann, M., Gerhardt, N. C., Hofmann, M. R. (ORCiD: 0000-0003-1265-0003), Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz.
LibreCat
 
[102]
2015 | Conference Paper | LibreCat-ID: 64437
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Increasing the birefringence of VCSELs beyond 250 GHz.
LibreCat
 
[101]
2015 | Conference Paper | LibreCat-ID: 64429
Ad­in­da-Oug­ba, A., Koukourakis, N., Mitschker, F., Gerhardt, N. C., Hofmann, M., & Kabir, B. (2015). Compact low-cost lensless digital holographic microscope for topographic measurements of microstructures in reflection geometry. Optical Systems Design 2015, 1–8. https://doi.org/10.1117/12.2191073
LibreCat | DOI
 
[100]
2015 | Conference Paper | LibreCat-ID: 64433
Ad­in­da-Oug­ba, A., Koukourakis, N., Essaidi, A., Gerhardt, N. C., & Hofmann, M. (2015). Quantitative phase imaging by wide field lensless digital holographic microscope. Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 952903. https://doi.org/10.1117/12.2184471
LibreCat | DOI
 
[99]
2015 | Journal Article | LibreCat-ID: 64428
Lindemann, M., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Vertical-cavity surface-emitting lasers with birefringence splitting above 250 GHz. Electronics Letters, 51(20), 1600–1601. https://doi.org/10.1049/el.2015.2149
LibreCat | DOI
 
[98]
2015 | Conference Paper | LibreCat-ID: 64431
Lindemann, M., Höpfner, H., Gerhardt, N. C., Hofmann, M., Pusch, T., & Michalzik, R. (2015). Controlled switching and frequency tuning of polarization oscillations in vertical-cavity surface-emitting lasers. Spintronics VIII, 1–5. https://doi.org/10.1117/12.2197970
LibreCat | DOI
 
[97]
2015 | Conference Paper | LibreCat-ID: 64439
Lindemann, M., Gerhardt, N. C., Hofmann, M. R., Pusch, T., & Michalzik, R. (2015). Tuning the frequency of polarization oscillations in Spin-VCSELs by mechanical strain induction.
LibreCat
 
[96]
2014 | Conference Paper | LibreCat-ID: 64453
Jaedicke, V., Agcaer, S., Gerhardt, N. C., Hofmann, M., Robles, F. E., Steinert, M., Jones, D., Goebel, S., & Welp, H. (2014). Performance comparison of different metrics for spectroscopic optical coherence tomography. Biomedical Applications of Light Scattering VIII, 1–10. https://doi.org/10.1117/12.2038891
LibreCat | DOI
 
[95]
2014 | Conference Paper | LibreCat-ID: 64451
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M., Stürmer, M., Wallrabe, U., Czarske, J., & Fischer, A. (2014). Effects of axial scanning in confocal microscopy employing adaptive lenses (CAL). Optical Micro- and Nanometrology V. https://doi.org/10.1117/12.2052152
LibreCat | DOI
 
[94]
2014 | Journal Article | LibreCat-ID: 64448
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M. R., Fischer, A., Stürmer, M., Leithold, C., Wallrabe, U., & Czarske, J. W. (2014). Axial scanning in confocal microscopy employing adaptive lenses (CAL). Optics Express, 22(5), 6025–6039. https://doi.org/10.1364/oe.22.006025
LibreCat | DOI
 
[93]
2014 | Journal Article | LibreCat-ID: 64450
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. (2014). Controlled switching of ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Applied Physics Letters, 104(2), 1–5. https://doi.org/10.1063/1.4862330
LibreCat | DOI
 
[92]
2014 | Journal Article | LibreCat-ID: 64452
Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Jädicke, V., Göbel, S., & Welp, H. (2014). Multiwavelength phase unwrapping and aberration correction using depth filtered digital holography. Optics Letters, 39(14), 4160–4163. https://doi.org/10.1364/ol.39.004160
LibreCat | DOI
 
[91]
2014 | Conference Paper | LibreCat-ID: 64449
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. (2014). Coherent switching of polarization oscillations in vertical-cavity surface-emitting lasers. Vertical-Cavity Surface-Emitting Lasers XVIII, 9001–9015. https://doi.org/10.1117/12.2039196
LibreCat | DOI
 
[90]
2014 | Conference Paper | LibreCat-ID: 64447
Höpfner, H., Lindemann, M., Gerhardt, N. C., & Hofmann, M. R. (2014). Spin-controlled ultrafast vertical-cavity surface-emitting lasers. Semiconductor Lasers and Laser Dynamics VI, 1–6. https://doi.org/10.1117/12.2049684
LibreCat | DOI
 
[89]
2014 | Conference Paper | LibreCat-ID: 64445
Gerhardt, N. C., Höpfner, H., Lindemann, M., & Hofmann, M. R. (2014). Polarization dynamics in spin-polarized vertical-cavity surface-emitting lasers. Spintronics VII, 1–10. https://doi.org/10.1117/12.2063723
LibreCat | DOI
 
[88]
2014 | Journal Article | LibreCat-ID: 64446
Koukourakis, N., Finkeldey, M., Gerhardt, N. C., Hofmann, M., Stürmer, M., Leithold, C., Wallrabe, U., & Czarske, J. W. (2014). Employing electrically tunable lenses in confocal microscopy for axial scanning. International C for Optics. Congress .
LibreCat
 
[87]
2013 | Journal Article | LibreCat-ID: 64466
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin relaxation in spin light-emitting diodes - effects of magnetic field and temperature. Ultrafast Phenomena and Nanophotonics XVII, 86230A – 1. https://doi.org/10.1117/12.2001511
LibreCat | DOI
 
[86]
2013 | Conference Paper | LibreCat-ID: 64460
Finkeldey, M., Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Zimprich, M., Volz, K., & Stolz, W. (2013). Optical gain and lasing in GaNAsP/BGa(As)P heterostructures grown on (001) silicon substrate. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[85]
2013 | Conference Paper | LibreCat-ID: 64464
Höpfner, H., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin injection and spin relaxation: magnetic field effects. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[84]
2013 | Conference Paper | LibreCat-ID: 64456
Gerhardt, N. C., Hofmann, M. R., Jaedicke, V., Aǧcaer, S., Goebel, S., & Welp, H. (2013). Spectral analysis and spectroscopic metrics in Spectroscopic Optical Coherence Tomography. https://doi.org/10.1364/fio.2013.fw4a.1
LibreCat | DOI
 
[83]
2013 | Conference Paper | LibreCat-ID: 64459
Gerhardt, N. C., Koukourakis, N., Finkeldey, M., Hofmann, M., Kunert, B., Zimprich, M., Volz, K., Stolz, W., Jandieri, K., Gebhard, F., & Baranovskii, S. (2013). Non-exponential photoluminescence transients in GaNAsP lattice matched to (001) silicon substrate. DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section with Its Divisions Biological Physics, Chemical and Polymer Physics, Crystallography, Dielectric Solids, Dynamics and Statistical Physics, Low Temperature Physics, Magnetism, Metal and Material Physics, Physics of Socio-Economic Systems, Semiconductor Physics, Surface Science, Thin Films, Vacuum Science and Technology Together with the Divions Microprobes, and Radiation and Medical Physics as Well as the Working Groups Industry and Business, and “Young DPG.”
LibreCat
 
[82]
2013 | Journal Article | LibreCat-ID: 64467
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2013). Spin relaxation length in quantum dot spin LEDs. Physica Status Solidi, 10(9), 1214–1217. https://doi.org/10.1002/pssc.201200689
LibreCat | DOI
 
[81]
2013 | Conference Paper | LibreCat-ID: 64468
Gerhardt, N. C., Höpfner, H., Lindemann, M., Li, M., Jähme, H., Hofmann, M., & Ackemann, T. (2013). Ultrafast spin-polarized vertical-cavity surface-emitting lasers. Spintronics VI, 8313–8380. https://doi.org/10.1117/12.2022720
LibreCat | DOI
 
[80]
2013 | Journal Article | LibreCat-ID: 64455
Koukourakis, N., Gerhardt, N. C., Hofmann, M., Kunert, B., Liebich, S., Zimprich, M., Volz, K., Stolz, W., Gebhard, F., Baranovskii, S. D., & Jandieri, K. (2013). Nonexponential photoluminescence transients in a Ga(NAsP) lattice matched to a (001) silicon substrate. Physical Review, 87(3). https://doi.org/10.1103/physrevb.87.035303
LibreCat | DOI
 
[79]
2013 | Journal Article | LibreCat-ID: 64457
Jaedicke, V., Gerhardt, N. C., Hofmann, M., Agcaer, S., Robles, F. E., Steinert, M., Jones, D., Goebel, S., & Welp, H. (2013). Comparison of different metrics for analysis and visualization in spectroscopic optical coherence tomography. Biomedical Optics Express, 4(12), 2945–2961. https://doi.org/10.1364/boe.4.002945
LibreCat | DOI
 
[78]
2013 | Conference Paper | LibreCat-ID: 64461
Jaedicke, V., Koukourakis, N., Ad­in­da-Oug­ba, A., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., Welp, H., Cogswell, C. J., Brown, T. G., Conchello, J.-A., & Wilson, T. (2013). Quantitative phase analysis through scattering media by depth-filtered digital holography. Three-Dimensional and Multidimensional Microscopy, 85891J-85891J – 8. https://doi.org/10.1117/12.2001159
LibreCat | DOI
 
[77]
2013 | Journal Article | LibreCat-ID: 64458
Jaedicke, V., Gerhardt, N. C., Hofmann, M., Agcaer, S., Goebel, S., & Welp, H. (2013). Contrast enhancement methods in optical coherence tomography using spectral features. Biomedical Engineering, 58(Suppl. 1), 1–2. https://doi.org/10.1515/bmt-2013-4269
LibreCat | DOI
 
[76]
2013 | Book Chapter | LibreCat-ID: 64462
Ludwig, A., Höpfner, H., Gerhardt, N. C., König, J., Hofmann, M. R., Wieck, A., Sothmann, B., Nannen, J., Kümmell, T., & Bacher, G. (2013). Quantum dot spintronics - fundamentals and applications. In Magnetic nanostructures (pp. 235–268). https://doi.org/10.1007/978-3-642-32042-2_7
LibreCat | DOI
 
[75]
2013 | Dissertation | LibreCat-ID: 64454
Gerhardt, N. C., & für Elektrotechnik und Informationstechnik, F. (2013). “More than Moore” - novel photonic concepts for information technology.
LibreCat
 
[74]
2013 | Conference Paper | LibreCat-ID: 64465
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wendes, H., & Keunes, W. (2013). Spin injection, transport, and relaxation in spin light-emitting diodes - magnetic field effects. Spintronics VI, 8813–43. https://doi.org/10.1117/12.2023324
LibreCat | DOI
 
[73]
2012 | Conference Paper | LibreCat-ID: 64476
Koukourakis, N., Funke, D., Gerhardt, N. C., Hofmann, M. R., Klimasch, M., Liebich, S., Zimprich, M., Kunert, B., Volz, K., Stolz, W., Kubby, J., & Reed, G. T. (2012). Photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate. Silicon Photonics VII, 1–6. https://doi.org/10.1117/12.907677
LibreCat | DOI
 
[72]
2012 | Conference Paper | LibreCat-ID: 64477
Höpfner, H., Li, M., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Stromberg, F., Wende, H., & Keune, W. (2012). Room temperature spin relaxation in quantum dot based spin-optoelectronic devices. Ultrafast Phenomena and Nanophotonics XVI, 1–7. https://doi.org/10.1117/12.907821
LibreCat | DOI
 
[71]
2012 | Journal Article | LibreCat-ID: 64485
Koukourakis, N., Gerhardt, N. C., Hofmann, M. R., Klimasch, M., Liebich, S., Trusheim, D., Zimprich, M., Volz, K., Stolz, W., & Kunert, B. (2012). Time-resolved photoluminescence and optical gain in Ga(NAsP) pseudomorphically grown on silicon. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[70]
2012 | Journal Article | LibreCat-ID: 64483
Höpfner, H., Ludwig, A., Ebbing, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Stromberg, F., Wende, H., Keune, W., & Fritsche, C. (2012). Temperature dependence of the spin relaxation length in spin quantum dot LEDs. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[69]
2012 | Journal Article | LibreCat-ID: 64482
Jaedicke, V., Agcaer, S., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., & Welp, H. (2012). System development for spectroscopic optical coherence tomography. Biomedical Engineering, 57(Heft SI-1 Track-B), 327. https://doi.org/10.1515/bmt-2012-4245
LibreCat | DOI
 
[68]
2012 | Journal Article | LibreCat-ID: 64481
Gerhardt, N. C., & Hofmann, M. (2012). Spin-controlled vertical-cavity surface-emitting lasers. Advances in Optical Technologies, 268949-1-268949–15. https://doi.org/10.1155/2012/268949
LibreCat | DOI
 
[67]
2012 | Conference Paper | LibreCat-ID: 64470
Li, M., Gerhardt, N. C., Hofmann, M., & Ackemann, T. (2012). Analysis of birefringence controlled ultrafast polarization oscillations in spin vertical-cavity surface-emitting lasers. EOS Annual Meeting 2012 (EOSAM 2012), 104–107.
LibreCat
 
[66]
2012 | Journal Article | LibreCat-ID: 64480
Höpfner, H., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M. R., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2012). Spin relaxation dynamics in spin-LEDs. 76th Jahrestagung Der DPG (76th Annual Conference of the DPG) and DPG-Frühjahrstagung (Spring Meeting) of the Condensed Matter Section (SKM) with Further DPG Divisions: Environmental Physics, Microprobes, Radiation and Medical Physics, as Well as the DPG Working Groups: Energy, Equal Opportunities, Industry and Business, Information, Philosophy of Physics, Physics and Disarmament, Young DPG.
LibreCat
 
[65]
2012 | Journal Article | LibreCat-ID: 64472
Soldat, H., Li, M., Gerhardt, N. C., Hofmann, M., Ludwig, A., Ebbing, A., Reuter, D., Wieck, A., Stromberg, F., Keune, W., & Wende, H. (2012). Erratum: “Room temperature spin relaxation length in spin light-emitting diodes” - [Appl. Phys. Lett. 99, 051102 (2011)]. Applied Physics Letters, 100(26), 269902–1. https://doi.org/10.1063/1.4728990
LibreCat | DOI
 
[64]
2012 | Journal Article | LibreCat-ID: 64473
Koukourakis, N., Gerhardt, N. C., Hofmann, M., Bückers, C., Funke, D. A., Liebich, S., Chatterjee, S. N., Lange, C., Zimprich, M., Volz, K., Stolz, W., Kunert, B., & Koch, S. W. (2012). High room-temperature optical gain in Ga(NAsP)/Si heterostructures. Applied Physics Letters, 100(9), 092107-1-092107–3. https://doi.org/10.1063/1.3690886
LibreCat | DOI
 
[63]
2012 | Journal Article | LibreCat-ID: 64474
Höpfner, H., Ludwig, A., Ludwig, A., Reuter, D., Wieck, A., Gerhardt, N. C., Hofmann, M., Fritsche, C., Stromberg, F., Wende, H., & Keune, W. (2012). Magnetic field dependence of the spin relaxation length in spin light-emitting diodes. Applied Physics Letters, 101(11), 112402-1-112402–112404. https://doi.org/10.1063/1.4752162
LibreCat | DOI
 
[62]
2012 | Journal Article | LibreCat-ID: 64471
Koukourakis, N., Jaedicke, V., Ad­in­da-Oug­ba, A., Gerhardt, N. C., Hofmann, M., Goebel, S., Wiethoff, H., & Höpfner, H. (2012). Depth-filtered digital holography. Optics Express, 20(20), 22636–22648. https://doi.org/10.1364/oe.20.022636
LibreCat | DOI
 
[61]
2012 | Conference Paper | LibreCat-ID: 64478
Jaedicke, V., Agcaer, S., Kasseck, C. T., Gerhardt, N. C., Hofmann, M., Goebel, S., & Welp, H. (2012). Signal processing for spectroscopic optical coherence tomography. Proceedings of the 7th International Workshop on Biosignal Interpretation (BSI2012), 224–227.
LibreCat
 
[60]
2012 | Journal Article | LibreCat-ID: 64475
Beckmann, M., Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2012). Multispectral photoacoustic coded excitation using pseudorandom codes - 82231E. Photons plus Ultrasound, 82231E-1-82231E – 8. https://doi.org/10.1117/12.907427
LibreCat | DOI
 
[59]
2011 | Conference Paper | LibreCat-ID: 64497
Gerhardt, N. C., Koukourakis, N., Funke, D., Hofmann, M. R., Klimasch, M., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Volz, K., & Stolz, W. (2011). Time-resolved photoluminescence and optical gain of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate. 2011 13th International Conference on Transparent Optical Networks (ICTON 2011), 1, 111–114. https://doi.org/10.1109/icton.2011.5970794
LibreCat | DOI
 
[58]
2011 | Journal Article | LibreCat-ID: 64492
Li, M., Jähme, H., Soldat, H., Gerhardt, N. C., Hofmann, M., & Ackemann, T. (2011). Birefringence and spin controlled ultrafast polarization oscillations in vertical-cavity surface-emitting lasers. 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO Europe/EQEC 2011), 109. https://doi.org/10.1109/cleoe.2011.5942549
LibreCat | DOI
 
[57]
2011 | Conference Paper | LibreCat-ID: 64494
Beckmann, M., Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2011). Photoacoustic coded excitation using periodically perfect sequences. 2011 IEEE International Ultrasonics Symposium (IUS 2011), 2, 1179–1182. https://doi.org/10.1109/ultsym.2011.0290
LibreCat | DOI
 
[56]
2011 | Conference Paper | LibreCat-ID: 64486
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on Silicon (001) substrate.
LibreCat
 
[55]
2011 | Conference Paper | LibreCat-ID: 64487
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[54]
2011 | Conference Paper | LibreCat-ID: 64496
Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Beckmann, M., Schmitz, G., Hofmann, M. R., Brenner, C., Jörger, M., & Strauß, A. (2011). Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system. Diffuse Optical Imaging III, 1–9. https://doi.org/10.1117/12.889682
LibreCat | DOI
 
[53]
2011 | Journal Article | LibreCat-ID: 64495
Koukourakis, N., Li, M., Lai, R. Y. W., Brenner, C., Gerhardt, N. C., Hofmann, M., Abdelwahab, T., Höpfner, H., & Darakis, E. (2011). Photorefractive two-wave mixing for image amplification in digital holography. Optics Express, 19(22), 22004–22023. https://doi.org/10.1364/oe.19.022004
LibreCat | DOI
 
[52]
2011 | Conference Paper | LibreCat-ID: 64493
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., & Eder, A. (2011). Ex­pe­ri­men­tal eva­lua­ti­on of mul­tis­pec­tral pho­toa­coustic coded ex­ci­ta­ti­on using or­tho­go­nal uni­po­lar golay codes. 442. Wilhelm Und Else Heraeus-Seminar “Molecular Imaging” in Bad Honnef, October 5th - 8th, 2009.
LibreCat
 
[51]
2011 | Conference Paper | LibreCat-ID: 64488
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[50]
2011 | Conference Paper | LibreCat-ID: 64489
Brenner, C., Gerhardt, N. C., Hofmann, M. R., Schmitz, G., Friedrich, C.-S., Mienkina, M. P., Beckmann, M. F., Jörger, M., & Strauß, A. (2011). Quantitative photoacoustic blood oxygenation measurement of whole porcine blood samples using a multi-wavelength semiconductor laser system.
LibreCat
 
[49]
2011 | Conference Paper | LibreCat-ID: 64491
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Trusheim, D., Zimprich, M., Buckers, C., Koch, S. W., Volz, K., & Stolz, W. (2011). Modal gain and time-resolved photoluminescence of Ga(NAsP) heterostructures pseudomorphically grown on silicon (001) substrate.
LibreCat
 
[48]
2011 | Conference Paper | LibreCat-ID: 64490
Gerhardt, N. C., Hofmann, M. R., Jaedicke, V., Kasseck, C., Wiethoff, H., Agcaer, S., & Welp, H. (2011). Spectroscopic optical coherence tomography for substance identification.
LibreCat
 
[47]
2010 | Journal Article | LibreCat-ID: 64505
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Schiffner, M. F., Hofmann, M., Schmitz, G., & Beckmann, M. F. (2010). Multispectral photoacoustic coded excitation imaging using unipolar orthogonal Golay codes. Optics Express, 18(9), 9076–9087. https://doi.org/10.1364/oe.18.009076
LibreCat | DOI
 
[46]
2010 | Journal Article | LibreCat-ID: 64502
Lai, R. Y. W., Koukourakis, N., Gerhardt, N. C., Hamann, S., Ehmann, M., Hackl, K., Ludwig, A., Meyer, R., Hofmann, M. R., & Darakis, E. (2010). Integrity of micro-hotplates during high-temperature operation monitored by digital holographic microscopy. Journal of Microelectromechanical Systems, 19(5), 1175–1179. https://doi.org/10.1109/jmems.2010.2067442
LibreCat | DOI
 
[45]
2010 | Journal Article | LibreCat-ID: 64500
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Wilkening, W. G., Hofmann, M., & Schmitz, G. (2010). Experimental evaluation of photoacoustic coded excitation using unipolar golay codes. IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 57(7), 1583–1593. https://doi.org/10.1109/tuffc.2010.1588
LibreCat | DOI
 
[44]
2010 | Conference Paper | LibreCat-ID: 64501
Gerhardt, N. C., Li, M., Jähme, H., Soldat, H., Hofmann, M. R., & Ackemann, T. (2010). Gigahertz circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers. Conference on Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010, 1–2. https://doi.org/10.1364/cleo.2010.cme6
LibreCat | DOI
 
[43]
2010 | Conference Paper | LibreCat-ID: 64503
Koukourakis, N., Funke, D., Gerhardt, N. C., Hofmann, M., Kunert, B., Liebich, S., Zinnkann, S., Zimprich, M., Beyer, A., Chatterjee, S., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2010). Modal gain analysis of GaNAsP heterostructures on silicon. Frontiers in Optics. https://doi.org/10.1364/fio.2010.jwa56
LibreCat | DOI
 
[42]
2010 | Conference Paper | LibreCat-ID: 64506
Jaedicke, V., Kasseck, C. T., Gerhardt, N. C., Hofmann, M., & Welp, H. (2010). Substance identification in spectroscopic optical coherence tomograhpy using pattern recognition. Frontiers in Optics. https://doi.org/10.1364/fio.2010.ftuy2
LibreCat | DOI
 
[41]
2010 | Conference Paper | LibreCat-ID: 64499
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., & Lai, Y. W. (2010). Photorefractive two-wave mixing for image amplification in digital holography. https://doi.org/10.1364/fio.2010.fthbb5
LibreCat | DOI
 
[40]
2010 | Conference Paper | LibreCat-ID: 64504
Beckmann, M., Mienkina, M., Schmitz, G., Friedrich, C.-S., Gerhardt, N. C., & Hofmann, M. R. (2010). Monospectral photoacoustic imaging using Legendre sequences. 2010 IEEE International Ultrasonics Symposium (IUS), 1, 386–389. https://doi.org/10.1109/ultsym.2010.5935648
LibreCat | DOI
 
[39]
2010 | Conference Paper | LibreCat-ID: 64498
Gerhardt, N. C., Hofmann, M. R., Koukourakis, N., Funke, D. A., Kunert, B., Liebich, S., Zinnkann, S., Zimprich, M., Beyer, A., Chatterjee, S., Bückers, C., Koch, S. W., Volz, K., & Stolz, W. (2010). Modal gain analysis of GaNAsP heterostructures on silicon.
LibreCat
 
[38]
2009 | Journal Article | LibreCat-ID: 64520
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Kunert, B., Nemeth, I., Zinnkann, S., Lukin, G., Adams, T. B., Fritz, R., Volz, K., Stolz, W., Lange, C., Koester, N. S., Franzbach, D. J., Chatterjee, S. N., & Rühle, W. W. (2009). Op­ti­cal ve­ri­fi­ca­ti­on of gain in Ga(NAsP)/(BGa)(AsP) mul­ti-quan­tum-well he­te­rost­ruc­tu­res mo­no­li­thi­cal­ly grown lat­ti­ce-mat­ched on (001) si­li­con sub­stra­te. Papers Presented at the 35th International Symposium on Compound Semiconductors (ISCS 2008), Rust, Germany, 21 - 24 September 2008, 1349–1523.
LibreCat
 
[37]
2009 | Conference Paper | LibreCat-ID: 64514
Gerhardt, N. C., Hofmann, M., Lange, C., Chatterjee, S. N., Kunert, B., Volz, K., Stolz, W., & Rühle, W. W. (2009). Gain characteristics and lasing of Ga(NAsP) multi-quantum well structures. Papers Presented at the 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 9), 576–578. https://doi.org/10.1002/pssc.200880360
LibreCat | DOI
 
[36]
2009 | Conference Paper | LibreCat-ID: 64519
Koukourakis, N., Kasseck, C., Gerhardt, N. C., Hofmann, M., Rytz, D., Köber, S., Salvador, M., & Meerholz, K. (2009). New concepts for depth resolved holographic imaging based on spectrally tunable diode lasers. Conference on Lasers and Electro-Optics, 2009 and 2009 Quantum Electronics and Laser Science Conference, 1253–1254. https://doi.org/10.1364/cleo.2009.ctuaa2
LibreCat | DOI
 
[35]
2009 | Conference Paper | LibreCat-ID: 64517
Gerhardt, N. C., Kunert, B., Liebich, S., Zimprich, M., Zinnkann, S., Fritz, R., Volz, K., Stolz, W., Lange, C., Köster, N. S., Chatterjee, S. N., & Rühle, W. W. (2009). Lasing of the III/V compound semiconductor Ga(NAsP) integrated lattice-matched to Si substrate. Group IV Photonics, 199–201. https://doi.org/10.1109/group4.2009.5338394
LibreCat | DOI
 
[34]
2009 | Journal Article | LibreCat-ID: 64511
Koukourakis, N., Breede, M., Gerhardt, N. C., Hofmann, M., Köber, S., Salvador, M., & Meerholz, K. (2009). Depth resolved holographic imaging with variable depth resolution using spectrally tunable diode laser. Electronics Letters, 45(1), 46–48. https://doi.org/10.1049/el:20092390
LibreCat | DOI
 
[33]
2009 | Conference Paper | LibreCat-ID: 64523
Kasseck, C., Gerhardt, N. C., Gambichler, T., Hofmann, M., Kratz, M., Torcasio, A., van Lenthe, G. H., Hoffmann, K., & Jones, D. B. (2009). Three-dimensional bone imaging: optical coherence tomography versus micro computer tomography. Optical Coherence Tomography and Coherence Techniques IV, 73721B. https://doi.org/10.1117/12.831814
LibreCat | DOI
 
[32]
2009 | Journal Article | LibreCat-ID: 64521
Koukourakis, N., Kasseck, C., Gerhardt, N. C., Hofmann, M., & Rytz, D. (2009). Single-shot holography for depth resolved three dimensional imaging. Optics Express, 17(23), 21015–21029. https://doi.org/10.1364/oe.17.021015
LibreCat | DOI
 
[31]
2009 | Conference Paper | LibreCat-ID: 64518
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2009). Multispectral photoacoustic coded excitation using orthogonal unipolar golay codes. Diagnostic Imaging, 217–220. https://doi.org/10.1007/978-3-642-03879-2_61
LibreCat | DOI
 
[30]
2009 | Conference Paper | LibreCat-ID: 64516
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Lange, C., Köster, N. S., Franzbach, D. J., Chatterjee, S. N., Rühle, W. W., Zinnkann, S., Liebich, S., Nemeth, R., Fritz, R., Volz, K., Stolz, W., & Kunert, B. (2009). Lasing in optically pumped Ga(NAsP)/(BGa)(AsP) heterstructures on Silicon. Conference on Lasers and Electro-Optics, 2009 and 2009 Quantum Electronics and Laser Science Conference, 1–2. https://doi.org/10.1364/cleo.2009.ctuy2
LibreCat | DOI
 
[29]
2009 | Conference Paper | LibreCat-ID: 64515
Gerhardt, N. C., Koukourakis, N., Hofmann, M., Kunert, B., Liebich, S., Zinnkann, S., Nemeth, R., Fritz, R., Volz, K., Stolz, W., Lange, C., Köster, N. S., Franzbach, D. J., Chatterjee, S. N., & Rühle, W. W. (2009). Laser operation of III/V compound material Ga(NAsP) grown lattice-matched on (001) Si substrate. Device Research Conference, 193–194. https://doi.org/10.1109/drc.2009.5354936
LibreCat | DOI
 
[28]
2009 | Conference Paper | LibreCat-ID: 64513
Mienkina, M., Schmitz, G., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., & Eder, A. (2009). Feasibility study of multispectral photoacoustic coded excitation using orthogonal unipolar Golay codes. 2009 IEEE Ultrasonics Symposium, 1, 108–111. https://doi.org/10.1109/ultsym.2009.5441941
LibreCat | DOI
 
[27]
2009 | Journal Article | LibreCat-ID: 64512
Mienkina, M., Friedrich, C.-S., Hensel, K., Gerhardt, N. C., Hofmann, M., & Schmitz, G. (2009). Evaluation of Ferucarbotran (Resovist®) as a photoacoustic contrast agent. Biomedical Engineering, 54(2), 83–88. https://doi.org/10.1515/bmt.2009.012
LibreCat | DOI
 
[26]
2009 | Conference Paper | LibreCat-ID: 64522
Hövel, S., Gerhardt, N. C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Schuster, E. U., & Keune, W. (2009). Spin-con­trol­led op­to­elec­tro­nic de­vices. Papers Presented at the 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 9), 436–439. https://doi.org/10.1002/pssc.200880357
LibreCat | DOI
 
[25]
2009 | Conference Paper | LibreCat-ID: 64509
Friedrich, C.-S., Mienkina, M., Gerhardt, N. C., Schmitz, G., Hofmann, M., & Wawreczko, M.-C. (2009). Compact semiconductor laser sources for photoacoustic imaging. Photons plus Ultrasound, 1–7. https://doi.org/10.1117/12.809261
LibreCat | DOI
 
[24]
2009 | Conference Paper | LibreCat-ID: 64510
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M. R., Schmitz, G., & Eder, A. (2009). Comparison of coding techniques for photoacoustic coded excitation. Proceedings, 1, 313–316.
LibreCat
 
[23]
2008 | Conference Paper | LibreCat-ID: 64524
Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., Mienkina, M. P., & Eder, A. (2008). Evaluation of simplex codes for photoacoustic coded excitation. 4th European Conference of the International Federation for Medical and Biological Engineering, 1, 444–447. https://doi.org/10.1007/978-3-540-89208-3_105
LibreCat | DOI
 
[22]
2008 | Conference Paper | LibreCat-ID: 64525
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hofmann, M., Schmitz, G., & Eder, A. (2008). Simulation study of photoacoustic coded excitation using Golay codes. IEEE Ultrasonics Symposium, 2008, 1242–1245. https://doi.org/10.1109/ultsym.2008.0300
LibreCat | DOI
 
[21]
2007 | Conference Paper | LibreCat-ID: 64527
Breede, M., Kasseck, C., Brenner, C., Gerhardt, N. C., Hofmann, M., & Höfling, R. (2007). External-cavity diode laser utilizing a micromirror device for spectral tuning. Optical Measurement Systems for Industrial Inspection V, 1–11. https://doi.org/10.1117/12.726825
LibreCat | DOI
 
[20]
2007 | Journal Article | LibreCat-ID: 64528
Breede, M., Kasseck, C., Brenner, C., Gerhardt, N. C., Hofmann, M., & Höfling, R. (2007). Micromirror device controlled tunable diode laser. Electronics Letters, 43(8), 456–457. https://doi.org/10.1049/el:20073651
LibreCat | DOI
 
[19]
2007 | Conference Paper | LibreCat-ID: 64529
Mienkina, M., Friedrich, C.-S., Gerhardt, N. C., Hensel, K., Brenner, C., Hofmann, M., Schmitz, G., & Waldeck, K. (2007). Photoacoustic imaging of Fibrosarcoma using RGD-Cy 3 as a targeted contrast agent. IEEE Ultrasonics Symposium, 2007, 5, 2409–2412. https://doi.org/10.1109/ultsym.2007.606
LibreCat | DOI
 
[18]
2007 | Journal Article | LibreCat-ID: 64526
Mienkina, M., Gerhardt, N. C., Breede, M., Brenner, C., Hofmann, M., Schmitz, G., & Waldeck, K. (2007). Evaluation eines kommerziellen Ultraschallgeräts für den Einsatz im photoakustischen Reflexionsmodus. Biomedical Engineering, 52(S1), G2-1.
LibreCat
 
[17]
2007 | Journal Article | LibreCat-ID: 64531
Hövel, S., Gerhardt, N. C., Brenner, C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Schuster, E. U., & Keune, W. (2007). Spin-controlled LEDs and VCSELs. Physica Status Solidi, 204(2), 500–507. https://doi.org/10.1002/pssa.200673219
LibreCat | DOI
 
[16]
2007 | Conference Paper | LibreCat-ID: 64530
Kasseck, C., Gerhardt, N. C., Hofmann, M., & Lehmann, K. (2007). Spectroscopic fourier domain optical coherence tomography. Optical Coherence Tomography and Coherence Techniques III, 1–9. https://doi.org/10.1117/12.728416
LibreCat | DOI
 
[15]
2006 | Dissertation | LibreCat-ID: 64534
Gerhardt, N. C., & für Elektrotechnik und Informationstechnik, F. (2006). Optische Verstärkung und Spin-kontrollierte Emission von Halbleiterlasern.
LibreCat
 
[14]
2006 | Journal Article | LibreCat-ID: 64533
Mienkina, M., Hensel, K., Le, N. T., Gerhardt, N. C., Bründermann, E., Havenith, M., Hofmann, M., Schmitz, G., & Kopf, I. (2006). Experimentelle Charakterisierung von Ferucarbotran als photoakustisches Kontrastmittel. Biomedical Engineering, 51(Suppl.), 1–2.
LibreCat
 
[13]
2006 | Conference Paper | LibreCat-ID: 64532
Mienkina, M., Hensel, K., Le, N. T., Gerhardt, N. C., Hansen, C., Hofmann, M., & Schmitz, G. (2006). Experimental characterization of ferucarbotran (Resovist ®) as a photoacoustic nanoparticle contrast agent. Proceedings, 1, 393–396. https://doi.org/10.1109/ultsym.2006.111
LibreCat | DOI
 
[12]
2005 | Conference Paper | LibreCat-ID: 64536
Gerhardt, N. C., Hövel, S., Brenner, C., Hofmann, M., Reuter, D., Wieck, A., & Yang, J. (2005). Spin-controlled LEDs and VCSELs. Physics and Simulation of Optoelectronic Devices XIII, 221–229. https://doi.org/10.1117/12.590346
LibreCat | DOI
 
[11]
2005 | Journal Article | LibreCat-ID: 64535
Gerhardt, N. C., Hövel, S., Brenner, C., Hofmann, M., Lo, F.-Y., Reuter, D., Wieck, A., Westerholt, K., Schuster, E. U., & Keune, W. (2005). Electron spin injection into GaAs from ferromagnetic contacts in remanence. Applied Physics Letters, 87(3), 1–3. https://doi.org/10.1063/1.1996843
LibreCat | DOI
 
[10]
2003 | Conference Paper | LibreCat-ID: 64538
Hofmann, M., & Gerhardt, N. C. (2003). Gain and emission dynamics of dilute nitride quantum well lasers. Frontiers in Optics 2003. https://doi.org/10.1364/fio.2003.thn1
LibreCat | DOI
 
[9]
2003 | Conference Paper | LibreCat-ID: 64539
Gerhardt, N. C., Hofmann, N., Stolz, W., Koch, W., Hader, J., Moloney, J. V., Egorov, A. Y., & Riechert, H. (2003). Optical gain of 1.3 μm (GaIn)(NAs)/GaAs lasers - a comparison between theory and experiment. Special Section on Semiconductor Optoelectronics.
LibreCat
 
[8]
2003 | Journal Article | LibreCat-ID: 64540
Gerhardt, N. C., Hofmann, M., & Rühle, W. W. (2003). Optical spectroscopy of 1.3 μm (GaIn)(NAs)/GaAs lasers. IEE Proceedings, 150(1), 45–48. https://doi.org/10.1049/ip-opt:20030035
LibreCat | DOI
 
[7]
2003 | Conference Paper | LibreCat-ID: 64537
Gerhardt, N. C., & Hofmann, M. R. (2003). Experimentelle Methoden zur Bestimmung der optischen Verstärkung von 1.3µm (GaIn)(NAs)/GaAs Halbleiterlasern. Frühjahrstagung Des Arbeitskreises Festkörperphysik Bei Der DPG.
LibreCat
 
[6]
2002 | Journal Article | LibreCat-ID: 64541
Hofmann, M., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Stolz, W., Koch, S. W., Rühle, W. W., Hader, J., Moloney, J. V., O‘Reilly, E. P., Borchert, B., Egorov, A. Y., Riechert, H., Schneider, H. C., & Chow, W. W. (2002). Emission dynamics and optical gain of 1.3 \mum (GaIn)(NAs)/GaAs Lasers. IEEE Journal of Quantum Electronics / Institute of Electrical and Electronics Engineers, 38(2), 213–221. https://doi.org/10.1109/3.980275
LibreCat | DOI
 
[5]
2002 | Conference Paper | LibreCat-ID: 64542
Gerhardt, N. C., Hofmann, M., Hantke, K., Stolz, W., Koch, S. W., Hader, J., Moloney, J. V., Egorov, A. Y., & Riechert, H. (2002). Influence of growth conditions on the optical gain of 1.3 /spl mu/m (GaIn)(NAs)/GaAs lasers. Conference Digest, 85–86. https://doi.org/10.1109/islc.2002.1041130
LibreCat | DOI
 
[4]
2001 | Conference Paper | LibreCat-ID: 64543
Hofmann, M., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Leu, S., Stolz, W., & Rühle, W. W. (2001). Emission dynamics of (GaIn)(NAs)/GaAs lasers emitting at 1.3 μm. Physics and Simulation of Optoelectronic Devices IX, 256–266. https://doi.org/10.1117/12.432573
LibreCat | DOI
 
[3]
2001 | Conference Paper | LibreCat-ID: 64545
Hofmann, M. R., Gerhardt, N. C., Wagner, A., Ellmers, C., Höhnsdorf, F., Koch, J., Koch, S. W., Rühle, W. W., Hader, J., Moloney, J. V., & Stolz, W. (2001). Optische Verstärkung von (GaIn)(NAs)/GaAs Halbleiterlasern. 65. Physikertagung & Frühjahrstagung Des Arbeitskreises Festkörperphysik Bei Der DPG.
LibreCat
 
[2]
2001 | Conference Paper | LibreCat-ID: 64546
Hofmann, M., Gerhardt, N. C., Wagner, A., Stolz, W., Koch, S. W., Rühle, W. W., & Hader, J. (2001). Physics of 1.3µm (GaIn)(NAs)/GaAs semiconductor lasers. LEOS 2001, 1, 326–327. https://doi.org/10.1109/leos.2001.969307
LibreCat | DOI
 
[1]
2001 | Book Chapter | LibreCat-ID: 64547
Hägele, D., Gerhardt, N. C., Hofmann, M., Oestreich, M., Hübner, J., Bender, M., Rühle, W. W., Kalt, H., Hartmann, T., Klar, P. J., Heimbrodt, W., & Stolz, W. (2001). Spintronics - Spin electronics and optoelectronics in semiconductors. In Advances in Solid State Physics 41 (pp. 173–186). https://doi.org/10.1007/3-540-44946-9_15
LibreCat | DOI
 
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