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30 Publications
2024 | Journal Article | LibreCat-ID: 54668 | 
M. Hammer et al., “Estimation of losses caused by sidewall roughness in thin-film lithium niobate rib and strip waveguides,” Optics Express, vol. 32, no. 13, p. 22878, 2024, doi: 10.1364/oe.521766.
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2024 | Journal Article | LibreCat-ID: 55751 |
N. Üstün, H. Farheen, M. Hammer, and J. Förstner, “Symmetry-protected TM modes in rib-like, plus-shaped optical waveguides with shallow etching,” Journal of the Optical Society of America B, vol. 41, no. 9, p. 2077, 2024, doi: 10.1364/josab.528729.
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2024 | Journal Article | LibreCat-ID: 56193
M. Hammer, H. Farheen, and J. Förstner, “Guided modes of thin-film lithium niobate slabs,” Optics Continuum, p. 532822, 2024, doi: 10.1364/optcon.532822.
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2023 | Journal Article | LibreCat-ID: 43245 |
M. Hammer, H. Farheen, and J. Förstner, “How to suppress radiative losses in high-contrast integrated Bragg gratings,” Journal of the Optical Society of America B, vol. 40, no. 4, p. 862, 2023, doi: 10.1364/josab.485725.
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2022 | Conference Paper | LibreCat-ID: 30387 |
M. Hammer, L. Ebers, and J. Förstner, “Resonant evanescent excitation of OAM modes in a high-contrast circular step-index fiber,” in Complex Light and Optical Forces XVI, 2022, p. 120170F, doi: 10.1117/12.2612179.
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2022 | Journal Article | LibreCat-ID: 35128
H. Nikbakht et al., “Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint,” Optics Letters, vol. 48, no. 2, p. 207, 2022, doi: 10.1364/ol.476537.
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2022 | Journal Article | LibreCat-ID: 30210
L. Ebers et al., “Flexible source of correlated photons based on LNOI rib waveguides,” Journal of Physics: Photonics, vol. 4, p. 025001, 2022, doi: 10.1088/2515-7647/ac5a5b.
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2022 | Conference Paper | LibreCat-ID: 30389 |
M. Hammer, “Small-scale online simulations in guided-wave photonics,” in Integrated Optics: Devices, Materials, and Technologies XXVI, 2022, p. 1200414, doi: 10.1117/12.2612208.
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2021 | Journal Article | LibreCat-ID: 21932 |
M. Hammer, L. Ebers, and J. Förstner, “Resonant evanescent excitation of guided waves with high-order optical angular momentum,” Journal of the Optical Society of America B, vol. 38, no. 5, p. 1717, 2021.
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2021 | Journal Article | LibreCat-ID: 28196 |
M. Hammer, L. Ebers, and J. Förstner, “Configurable lossless broadband beam splitters for semi-guided waves in integrated silicon photonics,” OSA Continuum, vol. 4, no. 12, p. 3081, 2021, doi: 10.1364/osac.437549.
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2020 | Journal Article | LibreCat-ID: 20189
M. Hammer, L. Ebers, and J. Förstner, “Hybrid coupled mode modelling of the evanescent excitation of a dielectric tube by semi-guided waves at oblique angles,” Optical and Quantum Electronics, vol. 52, 2020.
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2020 | Conference Paper | LibreCat-ID: 21719
M. Protte et al., “Towards Semiconductor-Superconductor-Crystal Hybrid Integration for Quantum Photonics,” 2020, doi: 10.1364/quantum.2020.qth7a.8.
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2019 | Journal Article | LibreCat-ID: 12908 |
M. Hammer, L. Ebers, and J. Förstner, “Oblique quasi-lossless excitation of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection coating,” Journal of the Optical Society of America B, vol. 36, p. 2395, 2019.
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2019 | Journal Article | LibreCat-ID: 14990 |
L. Ebers, M. Hammer, M. B. Berkemeier, A. Menzel, and J. Förstner, “Coupled microstrip-cavities under oblique incidence of semi-guided waves: a lossless integrated optical add-drop filter,” OSA Continuum, vol. 2, p. 3288, 2019.
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2019 | Patent | LibreCat-ID: 7720
M. Hammer, J. Förstner, and L. Ebers, “Optical transition between two optical waveguides layer and method for transmitting light.” 2019.
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2019 | Journal Article | LibreCat-ID: 8634
M. Hammer, L. Ebers, and J. Förstner, “Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q,” Optics Express, vol. 27, no. 7, p. 8, 2019, doi: 10.1364/OE.27.009313.
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2018 | Journal Article | LibreCat-ID: 3740 |
L. Ebers, M. Hammer, and J. Förstner, “Oblique incidence of semi-guided planar waves on slab waveguide steps: effects of rounded edges,” Optics Express, vol. 26, no. 14, pp. 18621–18632, 2018.
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2018 | Conference Paper | LibreCat-ID: 4579
M. Hammer, L. Ebers, A. Hildebrandt, S. Alhaddad, and J. Förstner, “Oblique Semi-Guided Waves: 2-D Integrated Photonics with Negative Effective Permittivity,” in 2018 IEEE 17th International Conference on Mathematical Methods in Electromagnetic Theory (MMET), 2018.
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