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 

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 

Ebers, L. (2022). Semi-guided waves in integrated optical waveguide structures.https://doi.org/10.17619/UNIPB/1-1288 

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 

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 

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 

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 

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 

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 

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.