Asymmetric, non-uniform 3-dB directional coupler with 300-nm bandwidth and a small footprint
H. Nikbakht, M.T. Khoshmehr, B. van Someren, D. Teichrib, M. Hammer, J. Förstner, B.I. Akca, Optics Letters 48 (2022) 207.

Light backscattering from numerical analog of planetary regoliths
Y. Grynko, Y. Shkuratov, S. Alhaddad, J. Förstner, in: Copernicus GmbH, 2022.

Negative polarization of light at backscattering from a numerical analog of planetary regoliths
Y. Grynko, Y. Shkuratov, S. Alhaddad, J. Förstner, Icarus 384 (2022) 115099.

Broadband optical TO5 antennas for directional emission of light
H. Farheen, L.-Y. Yan, V. Quiring, C. Eigner, T. Zentgraf, S. Linden, J. Förstner, V. Myroshnychenko, Optics Express 30 (2022) 19288.

Semi-guided waves in integrated optical waveguide structures
L. Ebers, Semi-Guided Waves in Integrated Optical Waveguide Structures, 2022.