Towards Semiconductor-Superconductor-Crystal Hybrid Integration for Quantum Photonics
M. Protte, L. Ebers, M. Hammer, J.P. Höpker, M. Albert, V. Quiring, C. Meier, J. Förstner, C. Silberhorn, T. Bartley, in: OSA Quantum 2.0 Conference, 2020.

Oblique quasi-lossless excitation of a thin silicon slab waveguide: a guided-wave variant of an anti-reflection coating
M. Hammer, L. Ebers, J. Förstner, Journal of the Optical Society of America B 36 (2019) 2395.

Coupled microstrip-cavities under oblique incidence of semi-guided waves: a lossless integrated optical add-drop filter
L. Ebers, M. Hammer, M.B. Berkemeier, A. Menzel, J. Förstner, OSA Continuum 2 (2019) 3288.

Optical transition between two optical waveguides layer and method for transmitting light
M. Hammer, J. Förstner, L. Ebers, (2019).

Oblique evanescent excitation of a dielectric strip: A model resonator with an open optical cavity of unlimited Q
M. Hammer, L. Ebers, J. Förstner, Optics Express 27 (2019) 8.

Oblique incidence of semi-guided planar waves on slab waveguide steps: effects of rounded edges
L. Ebers, M. Hammer, J. Förstner, Optics Express 26 (2018) 18621–18632.

Oblique Semi-Guided Waves: 2-D Integrated Photonics with Negative Effective Permittivity
M. Hammer, L. Ebers, A. Hildebrandt, S. Alhaddad, J. Förstner, in: 2018 IEEE 17th International Conference on Mathematical Methods in Electromagnetic Theory (MMET), IEEE, 2018.

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

Hybrid coupled-mode modeling in 3D: perturbed and coupled channels, and waveguide crossings
M. Hammer, S. Alhaddad, J. Förstner, Journal of the Optical Society of America B 34 (2017) 613–624.

Spiral modes supported by circular dielectric tubes and tube segments
L. Ebers, M. Hammer, J. Förstner, Optical and Quantum Electronics 49 (2017) 49:176.

Oblique incidence of semi-guided waves on step-like folds in planar dielectric slabs: Lossless vertical interconnects in 3D integrated photonic circuits
A. Hildebrandt, S. Alhaddad, M. Hammer, J. Förstner, in: J.-E. Broquin, G. Nunzi Conti (Eds.), Integrated Optics: Devices, Materials, and Technologies XX, SPIE, 2016.

Wave interaction in photonic integrated circuits: Hybrid analytical / numerical coupled mode modeling
M. Hammer, in: J.-E. Broquin, G. Nunzi Conti (Eds.), Integrated Optics: Devices, Materials, and Technologies XX, SPIE, 2016, pp. 975018-975018–8.

Planar prism spectrometer based on adiabatically connected waveguiding slabs
F. Civitci, M. Hammer, H.J.W.M. Hoekstra, Optics Communications 365 (2015) 29–37.

Full Resonant Transmission of Semiguided Planar Waves Through Slab Waveguide Steps at Oblique Incidence
M. Hammer, A. Hildebrandt, J. Förstner, Journal of Lightwave Technology 34 (2015) 997–1005.

How planar optical waves can be made to climb dielectric steps
M. Hammer, A. Hildebrandt, J. Förstner, Optics Letters 40 (2015) 3711–3714.

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

General relation for group delay and the relevance of group delay for refractometric sensing
H.J.W.M. Hoekstra, M. Hammer, Journal of the Optical Society of America B 31 (2014).