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184 Publications
2015 | Conference Paper | LibreCat-ID: 64440
Tuning the frequency of polarization oscillations in spin-VCSELs by mechanical strain induction
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
LibreCat
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
2015 | Conference Paper | LibreCat-ID: 64437
Increasing the birefringence of VCSELs beyond 250 GHz
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
LibreCat
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
2015 | Conference Paper | LibreCat-ID: 64429
Compact low-cost lensless digital holographic microscope for topographic measurements of microstructures in reflection geometry
A. Adinda-Ougba, N. Koukourakis, F. Mitschker, N.C. Gerhardt, M. Hofmann, B. Kabir, in: Optical Systems Design 2015, 2015, pp. 1–8.
LibreCat
| DOI
A. Adinda-Ougba, N. Koukourakis, F. Mitschker, N.C. Gerhardt, M. Hofmann, B. Kabir, in: Optical Systems Design 2015, 2015, pp. 1–8.
2015 | Conference Paper | LibreCat-ID: 64433
Quantitative phase imaging by wide field lensless digital holographic microscope
A. Adinda-Ougba, N. Koukourakis, A. Essaidi, N.C. Gerhardt, M. Hofmann, in: Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 2015, p. 952903.
LibreCat
| DOI
A. Adinda-Ougba, N. Koukourakis, A. Essaidi, N.C. Gerhardt, M. Hofmann, in: Optical Methods for Inspection, Characterization, and Imaging of Biomaterials II, 2015, p. 952903.
2015 | Journal Article | LibreCat-ID: 64428
Vertical-cavity surface-emitting lasers with birefringence splitting above 250 GHz
M. Lindemann, N.C. Gerhardt, M. Hofmann, T. Pusch, R. Michalzik, Electronics Letters 51 (2015) 1600–1601.
LibreCat
| DOI
M. Lindemann, N.C. Gerhardt, M. Hofmann, T. Pusch, R. Michalzik, Electronics Letters 51 (2015) 1600–1601.
2015 | Conference Paper | LibreCat-ID: 64431
Controlled switching and frequency tuning of polarization oscillations in vertical-cavity surface-emitting lasers
M. Lindemann, H. Höpfner, N.C. Gerhardt, M. Hofmann, T. Pusch, R. Michalzik, in: Spintronics VIII, 2015, pp. 1–5.
LibreCat
| DOI
M. Lindemann, H. Höpfner, N.C. Gerhardt, M. Hofmann, T. Pusch, R. Michalzik, in: Spintronics VIII, 2015, pp. 1–5.
2015 | Conference Paper | LibreCat-ID: 64439
Tuning the frequency of polarization oscillations in Spin-VCSELs by mechanical strain induction
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
LibreCat
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
2015 | Conference Paper | LibreCat-ID: 64438
Increasing the birefringence of VCSELs beyond 250 GHz
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
LibreCat
M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, R. Michalzik, in: 2015.
2014 | Conference Paper | LibreCat-ID: 64453
Performance comparison of different metrics for spectroscopic optical coherence tomography
V. Jaedicke, S. Agcaer, N.C. Gerhardt, M. Hofmann, F.E. Robles, M. Steinert, D. Jones, S. Goebel, H. Welp, in: Biomedical Applications of Light Scattering VIII, 2014, pp. 1–10.
LibreCat
| DOI
V. Jaedicke, S. Agcaer, N.C. Gerhardt, M. Hofmann, F.E. Robles, M. Steinert, D. Jones, S. Goebel, H. Welp, in: Biomedical Applications of Light Scattering VIII, 2014, pp. 1–10.
2014 | Conference Paper | LibreCat-ID: 64451
Effects of axial scanning in confocal microscopy employing adaptive lenses (CAL)
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M. Hofmann, M. Stürmer, U. Wallrabe, J. Czarske, A. Fischer, in: Optical Micro- and Nanometrology V, 2014.
LibreCat
| DOI
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M. Hofmann, M. Stürmer, U. Wallrabe, J. Czarske, A. Fischer, in: Optical Micro- and Nanometrology V, 2014.
2014 | Journal Article | LibreCat-ID: 64448
Axial scanning in confocal microscopy employing adaptive lenses (CAL)
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M.R. Hofmann, A. Fischer, M. Stürmer, C. Leithold, U. Wallrabe, J.W. Czarske, Optics Express 22 (2014) 6025–6039.
LibreCat
| DOI
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M.R. Hofmann, A. Fischer, M. Stürmer, C. Leithold, U. Wallrabe, J.W. Czarske, Optics Express 22 (2014) 6025–6039.
2014 | Journal Article | LibreCat-ID: 64450
Controlled switching of ultrafast circular polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers
H. Höpfner, M. Lindemann, N.C. Gerhardt, M. Hofmann, Applied Physics Letters 104 (2014) 1–5.
LibreCat
| DOI
H. Höpfner, M. Lindemann, N.C. Gerhardt, M. Hofmann, Applied Physics Letters 104 (2014) 1–5.
2014 | Journal Article | LibreCat-ID: 64452
Multiwavelength phase unwrapping and aberration correction using depth filtered digital holography
N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, V. Jädicke, S. Göbel, H. Welp, Optics Letters 39 (2014) 4160–4163.
LibreCat
| DOI
N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, V. Jädicke, S. Göbel, H. Welp, Optics Letters 39 (2014) 4160–4163.
2014 | Conference Paper | LibreCat-ID: 64449
Coherent switching of polarization oscillations in vertical-cavity surface-emitting lasers
H. Höpfner, M. Lindemann, N.C. Gerhardt, M. Hofmann, in: Vertical-Cavity Surface-Emitting Lasers XVIII, 2014, pp. 9001–15.
LibreCat
| DOI
H. Höpfner, M. Lindemann, N.C. Gerhardt, M. Hofmann, in: Vertical-Cavity Surface-Emitting Lasers XVIII, 2014, pp. 9001–15.
2014 | Conference Paper | LibreCat-ID: 64447
Spin-controlled ultrafast vertical-cavity surface-emitting lasers
H. Höpfner, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, in: Semiconductor Lasers and Laser Dynamics VI, 2014, pp. 1–6.
LibreCat
| DOI
H. Höpfner, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, in: Semiconductor Lasers and Laser Dynamics VI, 2014, pp. 1–6.
2014 | Conference Paper | LibreCat-ID: 64445
Polarization dynamics in spin-polarized vertical-cavity surface-emitting lasers
N.C. Gerhardt, H. Höpfner, M. Lindemann, M.R. Hofmann, in: Spintronics VII, 2014, pp. 1–10.
LibreCat
| DOI
N.C. Gerhardt, H. Höpfner, M. Lindemann, M.R. Hofmann, in: Spintronics VII, 2014, pp. 1–10.
2014 | Journal Article | LibreCat-ID: 64446
Employing electrically tunable lenses in confocal microscopy for axial scanning
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M. Hofmann, M. Stürmer, C. Leithold, U. Wallrabe, J.W. Czarske, International C for Optics. Congress (2014).
LibreCat
N. Koukourakis, M. Finkeldey, N.C. Gerhardt, M. Hofmann, M. Stürmer, C. Leithold, U. Wallrabe, J.W. Czarske, International C for Optics. Congress (2014).
2013 | Journal Article | LibreCat-ID: 64466
Spin relaxation in spin light-emitting diodes - effects of magnetic field and temperature
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Ultrafast Phenomena and Nanophotonics XVII (2013) 86230A–1.
LibreCat
| DOI
H. Höpfner, A. Ludwig, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, Ultrafast Phenomena and Nanophotonics XVII (2013) 86230A–1.
2013 | Conference Paper | LibreCat-ID: 64460
Optical gain and lasing in GaNAsP/BGa(As)P heterostructures grown on (001) silicon substrate
M. Finkeldey, N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, M. Zimprich, K. Volz, W. Stolz, in: 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,” 2013.
LibreCat
M. Finkeldey, N. Koukourakis, N.C. Gerhardt, M.R. Hofmann, M. Zimprich, K. Volz, W. Stolz, in: 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,” 2013.
2013 | Conference Paper | LibreCat-ID: 64464
Spin injection and spin relaxation: magnetic field effects
H. Höpfner, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, in: 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,” 2013.
LibreCat
H. Höpfner, A. Ludwig, D. Reuter, A. Wieck, N.C. Gerhardt, M.R. Hofmann, C. Fritsche, F. Stromberg, H. Wende, W. Keune, in: 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,” 2013.