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126 Publications
2025 | Journal Article | LibreCat-ID: 60891
Hammer M, Khan S, Taheri B, Farheen H, Förstner J. TFLN channel waveguides of rib and strip type: Properties of guided modes. Optics Continuum. 2025;4(10):2356. doi:10.1364/optcon.569959
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2025 | Conference Paper | LibreCat-ID: 61760
Farheen H, Chen Y, Chen P, et al. Topology-optimized silicon nitride coupler for integrated single-photon emitters. In: Ni X, Cai W, eds. Photonic Computing: From Materials and Devices to Systems and Applications II. SPIE; 2025. doi:10.1117/12.3065734
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2025 | Dissertation | LibreCat-ID: 62167 | 
Lange S. Analyse und Modellierung eines induktiven Ortungsprozesses unter Berücksichtigung der elektromagnetischen Wechselwirkungen planarer Spulensysteme. Universitätsbibliothek Paderborn; 2025. doi:10.17619/UNIPB/1-2436
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2025 | Conference Paper | LibreCat-ID: 62296
Spieker C, Förstner J, Hölscher J, Claes L, Henning B. Modeling and simulation of the behavior of piezoceramics with the discontinuous Galerkin method. In: 2025 International Congress on Ultrasonics. AMA Service GmbH; 2025:126–129. doi:10.5162/ultrasonic2025/a18-a1
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2025 | Conference Paper | LibreCat-ID: 62297
Hölscher J, Friesen O, Claes L, Spieker C, Förstner J, Henning B. Multiscale thermo-piezoelectric simulations using the finite element method. In: 2025 International Congress on Ultrasonics. AMA Service GmbH; 2025:130–133. doi:10.5162/ultrasonic2025/a18-a2
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2024 | Journal Article | LibreCat-ID: 54668 |
Hammer M, Babel S, Farheen H, et al. Estimation of losses caused by sidewall roughness in thin-film lithium niobate rib and strip waveguides. Optics Express. 2024;32(13):22878. doi:10.1364/oe.521766
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2024 | Journal Article | LibreCat-ID: 52700 |
Myroshnychenko V, Mulavarickal Jose PM, Farheen H, Ejaz S, Brosseau C, Förstner J. From Swiss-cheese to discrete ferroelectric composites: assessing the ferroelectric butterfly shape in polarization loops. Physica Scripta. 2024;99(4):045952. doi:10.1088/1402-4896/ad3172
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2024 | Journal Article | LibreCat-ID: 55751 |
Üstün N, Farheen H, Hammer M, Förstner J. Symmetry-protected TM modes in rib-like, plus-shaped optical waveguides with shallow etching. Journal of the Optical Society of America B. 2024;41(9):2077. doi:10.1364/josab.528729
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2024 | Journal Article | LibreCat-ID: 55989 |
Farheen H, Joshi S, Scheytt JC, Myroshnychenko V, Förstner J. An efficient compact blazed grating antenna for optical phased arrays. Journal of Physics: Photonics. 2024;6:045010. doi:10.1088/2515-7647/ad6ed4
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2024 | Journal Article | LibreCat-ID: 56193
Hammer M, Farheen H, Förstner J. Guided modes of thin-film lithium niobate slabs. Optics Continuum. Published online 2024:532822. doi:10.1364/optcon.532822
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2024 | Conference Paper | LibreCat-ID: 57528
Schröder D, Kiefner U, Hedayat C, Förstner J. Evaluation of Measurement Noise Effects in the Close Environment of Equivalent Near-Field Sources. In: 2024 International Symposium on Electromagnetic Compatibility – EMC Europe. IEEE; 2024. doi:10.1109/emceurope59828.2024.10722220
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2023 | Journal Article | LibreCat-ID: 48599 |
Bauch D, Siebert D, Jöns K, Förstner J, Schumacher S. On‐Demand Indistinguishable and Entangled Photons Using Tailored Cavity Designs. Advanced Quantum Technologies. Published online 2023. doi:10.1002/qute.202300142
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2023 | Preprint | LibreCat-ID: 43246 |
Bauch D, Siebert D, Jöns K, Förstner J, Schumacher S. On-demand indistinguishable and entangled photons at telecom frequencies using tailored cavity designs. Published online 2023.
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2023 | Journal Article | LibreCat-ID: 50012 |
Farheen H, Strauch A, Scheytt JC, Myroshnychenko V, Förstner J. Optimized, Highly Efficient Silicon Antennas for Optical Phased Arrays. Photonics and Nanostructures - Fundamentals and Applications. 2023;58:101207. doi:10.1016/j.photonics.2023.101207
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2023 | Journal Article | LibreCat-ID: 43245 |
Hammer M, Farheen H, Förstner J. How to suppress radiative losses in high-contrast integrated Bragg gratings. Journal of the Optical Society of America B. 2023;40(4):862. doi:10.1364/josab.485725
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2023 | Conference Paper | LibreCat-ID: 43052
Farheen H, Strauch A, Scheytt JC, Myroshnychenko V, Förstner J. Optimized silicon antennas for optical phased arrays. In: García-Blanco SM, Cheben P, eds. Integrated Optics: Devices, Materials, and Technologies XXVII. SPIE; 2023:124241D. doi:10.1117/12.2658716
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2023 | Conference Paper | LibreCat-ID: 50466
Farheen H, Joshi S, Scheytt JC, Myroshnychenko V, Förstner J. Increasing the upward radiation efficiency of optical phased arrays using asymmetric silicon horn antennas. In: 2023 IEEE Photonics Conference (IPC). IEEE; 2023. doi:10.1109/ipc57732.2023.10360519
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2023 | Journal Article | LibreCat-ID: 43018 |
Alhaddad S, Förstner J, Grynko Y. Numerical study of light backscattering from layers of absorbing irregular particles larger than the wavelength. Journal of Quantitative Spectroscopy and Radiative Transfer. 2023;302. doi:10.1016/j.jqsrt.2023.108557
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2023 | Journal Article | LibreCat-ID: 44097 |
Hähnel D, Golla C, Albert M, et al. A multi-mode super-fano mechanism for enhanced third harmonic generation in silicon metasurfaces. Light: Science & Applications. 2023;12(1):97. doi:https://doi.org/10.1038/s41377-023-01134-1
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2023 | Journal Article | LibreCat-ID: 45596 |
Hähnel D, Förstner J, Myroshnychenko V. Efficient Modeling and Tailoring of Nonlinear Wavefronts in Dielectric Metasurfaces. ACS Photonics. Published online 2023. doi:10.1021/acsphotonics.2c01967
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