M. Hammer, H. Farheen, and J. Förstner, “How to suppress radiative losses in high-contrast integrated Bragg gratings,”10.1364/josab.485725__Journal of the Optical Society of America B, vol. 40, no. 4, p. 862, 2023, doi:10.1364/josab.485725 .

M. Hammer, L. Ebers, and J. Förstner, “Resonant evanescent excitation of OAM modes in a high-contrast circular step-index fiber,”10.1117/12.2612179__in Complex Light and Optical Forces XVI, 2022, p. 120170F, doi:10.1117/12.2612179 .

L. Ebers, Semi-guided waves in integrated optical waveguide structures. 2022.

H. Nikbakht et al., “Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint,”10.1364/ol.476537__Optics Letters, vol. 48, no. 2, p. 207, 2022, doi:10.1364/ol.476537 .

L. Ebers et al., “Flexible source of correlated photons based on LNOI rib waveguides,”10.1088/2515-7647/ac5a5b__Journal of Physics: Photonics, vol. 4, p. 025001, 2022, doi:10.1088/2515-7647/ac5a5b .

M. Hammer, “Small-scale online simulations in guided-wave photonics,”10.1117/12.2612208__in Integrated Optics: Devices, Materials, and Technologies XXVI, 2022, p. 1200414, doi:10.1117/12.2612208 .

M. Hammer, L. Ebers, and J. Förstner, “Configurable lossless broadband beam splitters for semi-guided waves in integrated silicon photonics,”10.1364/osac.437549__OSA Continuum, vol. 4, no. 12, p. 3081, 2021, doi:10.1364/osac.437549 .

M. Protte et al., “Towards Semiconductor-Superconductor-Crystal Hybrid Integration for Quantum Photonics,”10.1364/quantum.2020.qth7a.8__2020, doi:10.1364/quantum.2020.qth7a.8 .

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.

M. Hammer, “Guided Wave Interaction in Photonic Integrated Circuits — A Hybrid Analytical/Numerical Approach to Coupled Mode Theory,” in Recent Trends in Computational Photonics, 204th ed., vol. 204, A. Agrawal, Ed. Springer, 2017, pp. 77–105.

M. Hammer, S. Alhaddad, and J. Förstner, “Hybrid coupled-mode modeling in 3D: perturbed and coupled channels, and waveguide crossings,” Journal of the Optical Society of America B, vol. 34, no. 3, pp. 613–624, 2017.

L. Ebers, M. Hammer, and J. Förstner, “Spiral modes supported by circular dielectric tubes and tube segments,” Optical and Quantum Electronics, vol. 49, no. 4, p. 49:176, 2017.

A. Hildebrandt, S. Alhaddad, M. Hammer, and J. Förstner, “Oblique incidence of semi-guided waves on step-like folds in planar dielectric slabs: Lossless vertical interconnects in 3D integrated photonic circuits,” in Integrated Optics: Devices, Materials, and Technologies XX, 2016.

M. Hammer, “Wave interaction in photonic integrated circuits: Hybrid analytical / numerical coupled mode modeling,” in Integrated Optics: Devices, Materials, and Technologies XX, San Francisco, USA, 2016, no. 9750, pp. 975018-975018–8.

F. Civitci, M. Hammer, and H. J. W. M. Hoekstra, “Planar prism spectrometer based on adiabatically connected waveguiding slabs,” Optics Communications, vol. 365, pp. 29–37, 2015.

M. Hammer, A. Hildebrandt, and J. Förstner, “Full Resonant Transmission of Semiguided Planar Waves Through Slab Waveguide Steps at Oblique Incidence,” Journal of Lightwave Technology, vol. 34, no. 3, pp. 997–1005, 2015.

M. Hammer, A. Hildebrandt, and J. Förstner, “How planar optical waves can be made to climb dielectric steps,” Optics Letters, vol. 40, no. 16, pp. 3711–3714, 2015.

M. Hammer, “Oblique incidence of semi-guided waves on rectangular slab waveguide discontinuities: A vectorial QUEP solver,” Optics Communications, vol. 338, pp. 447–456, 2014.

H. J. W. M. Hoekstra and M. Hammer, “General relation for group delay and the relevance of group delay for refractometric sensing,” Journal of the Optical Society of America B, vol. 31, no. 7, 2014.