Hammer, M., Farheen, H., &; Förstner, J. (2023). How to suppress radiative losses in high-contrast integrated Bragg gratings. Journal of the Optical Society of America B, 40(4), 862.https://doi.org/10.1364/josab.485725 
LibreCat: /record/43245
DOI: 10.1364/josab.485725

Hammer, M., Ebers, L., &; Förstner, J. (2022). Resonant evanescent excitation of OAM modes in a high-contrast circular step-index fiber. In D. L. Andrews, E. J. Galvez, &; H. Rubinsztein-Dunlop (Eds.), Complex Light and Optical Forces XVI (p. 120170F). SPIE.https://doi.org/10.1117/12.2612179 
LibreCat: /record/30387
DOI: 10.1117/12.2612179

Nikbakht, H., Khoshmehr, M. T., van Someren, B., Teichrib, D., Hammer, M., Förstner, J., &; Akca, B. I. (2022). Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint. Optics Letters, 48(2), 207.https://doi.org/10.1364/ol.476537 
LibreCat: /record/35128
DOI: 10.1364/ol.476537

Ebers, L., Ferreri, A., Hammer, M., Albert, M., Meier, C., Förstner, J., &; Sharapova, P. R. (2022). Flexible source of correlated photons based on LNOI rib waveguides. Journal of Physics: Photonics, 4, 025001.https://doi.org/10.1088/2515-7647/ac5a5b 
LibreCat: /record/30210
DOI: 10.1088/2515-7647/ac5a5b

Hammer, M. (2022). Small-scale online simulations in guided-wave photonics. In S. M. García-Blanco &; P. Cheben (Eds.), Integrated Optics: Devices, Materials, and Technologies XXVI (p. 1200414). SPIE.https://doi.org/10.1117/12.2612208 
LibreCat: /record/30389
DOI: 10.1117/12.2612208

Hammer, M., Ebers, L., &; Förstner, J. (2021). Resonant evanescent excitation of guided waves with high-order optical angular momentum. Journal of the Optical Society of America B, 38(5), 1717.https://doi.org/10.1364/josab.422731 
LibreCat: /record/21932
DOI: 10.1364/josab.422731

Hammer, M., Ebers, L., &; Förstner, J. (2021). Configurable lossless broadband beam splitters for semi-guided waves in integrated silicon photonics. OSA Continuum, 4(12), 3081.https://doi.org/10.1364/osac.437549 
LibreCat: /record/28196
DOI: 10.1364/osac.437549

Höpker, J. P., Verma, V. B., Protte, M., Ricken, R., Quiring, V., Eigner, C., Ebers, L., Hammer, M., Förstner, J., Silberhorn, C., Mirin, R. P., Woo Nam, S., &; Bartley, T. (2021). Integrated superconducting nanowire single-photon detectors on titanium in-diffused lithium niobate waveguides. Journal of Physics: Photonics, 3, 034022.https://doi.org/10.1088/2515-7647/ac105b 
LibreCat: /record/23728
DOI: 10.1088/2515-7647/ac105b

Hammer, M., Ebers, L., &; Förstner, J. (2020). Hybrid coupled mode modelling of the evanescent excitation of a dielectric tube by semi-guided waves at oblique angles. Optical and Quantum Electronics, 52.https://doi.org/10.1007/s11082-020-02595-z 
LibreCat: /record/20189
DOI: 10.1007/s11082-020-02595-z

Ebers, L., Hammer, M., &; Förstner, J. (2020). Light diffraction in slab waveguide lenses simulated with the stepwise angular spectrum method. Optics Express, 28(24), 36361.https://doi.org/10.1364/oe.409612 
LibreCat: /record/20372
DOI: 10.1364/oe.409612

Protte, M., Ebers, L., Hammer, M., Höpker, J. P., Albert, M., Quiring, V., Meier, C., Förstner, J., Silberhorn, C., &; Bartley, T. (2020). Towards Semiconductor-Superconductor-Crystal Hybrid Integration for Quantum Photonics. OSA Quantum 2.0 Conference, Article QTA.8.https://doi.org/10.1364/quantum.2020.qth7a.8 
LibreCat: /record/21719
DOI: 10.1364/quantum.2020.qth7a.8

Hammer, M., Ebers, L., &; Förstner, J. (2019). 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, 36, 2395.https://doi.org/10.1364/josab.36.002395 
LibreCat: /record/12908
DOI: 10.1364/josab.36.002395

Ebers, L., Hammer, M., Berkemeier, M. B., Menzel, A., &; Förstner, J. (2019). Coupled microstrip-cavities under oblique incidence of semi-guided waves: a lossless integrated optical add-drop filter. OSA Continuum, 2, 3288.https://doi.org/10.1364/osac.2.003288 
LibreCat: /record/14990
DOI: 10.1364/osac.2.003288

Hammer, M., Förstner, J., &; Ebers, L. (2019). Optical transition between two optical waveguides layer and method for transmitting light.
LibreCat: /record/7720

Hammer, M., Ebers, L., &; Förstner, J. (2019). Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q. Optics Express, 27(7), 8.https://doi.org/10.1364/OE.27.009313 
LibreCat: /record/8634
DOI: 10.1364/OE.27.009313

Ebers, L., Hammer, M., &; Förstner, J. (2018). Oblique incidence of semi-guided planar waves on slab waveguide steps: effects of rounded edges. Optics Express, 26(14), 18621–18632.https://doi.org/10.1364/OE.26.018621 
LibreCat: /record/3740
DOI: 10.1364/OE.26.018621

Hammer, M., Ebers, L., Hildebrandt, A., Alhaddad, S., &; Förstner, J. (2018). 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). IEEE.https://doi.org/10.1109/mmet.2018.8460455 
LibreCat: /record/4579
DOI: 10.1109/mmet.2018.8460455

Hammer, M. (2017). Guided Wave Interaction in Photonic Integrated Circuits — A Hybrid Analytical/Numerical Approach to Coupled Mode Theory. In A. Agrawal (Ed.), Recent Trends in Computational Photonics (204th ed., Vol. 204, pp. 77–105). Springer.
LibreCat: /record/3743

Hammer, M., Alhaddad, S., &; Förstner, J. (2017). Hybrid coupled-mode modeling in 3D: perturbed and coupled channels, and waveguide crossings. Journal of the Optical Society of America B, 34(3), 613–624.https://doi.org/10.1364/josab.34.000613 
LibreCat: /record/3828
DOI: 10.1364/josab.34.000613

Ebers, L., Hammer, M., &; Förstner, J. (2017). Spiral modes supported by circular dielectric tubes and tube segments. Optical and Quantum Electronics, 49(4), 49:176.https://doi.org/10.1007/s11082-017-1011-x 
LibreCat: /record/3830
DOI: 10.1007/s11082-017-1011-x