3 papers
physics.optics2026
Efficient broadband second-harmonic generation in a multi-pass cell
Arthur Schönberg, Nikolas Rupp, Ana Oliveira e Silva +6
Second-harmonic generation (SHG) is a widely used nonlinear optical process that has been optimized for high frequency conversion efficiency, broad bandwidths, and optimum spatial…
eess.SP2025
Learning-Based Phase Shift Optimization of Liquid Crystal RIS in Dynamic mmWave Networks
Le Hao, Robin Neuder, Mohamadreza Delbari +4
To enhance coverage and signal quality in millimeter-wave (mmWave) frequencies, reconfigurable intelligent surfaces (RISs) have emerged as a game-changing solution to manipulate th…
physics.atom-ph2025
A Setup to Study Atomic State Population Dynamics and Optical Polarization at CRYRING@ESR
K. Mohr, R. Sánchez, W. Nörtershäuser +26
We present a recently established setup for laser spectroscopy at CRYRING@ESR at the GSI Helmholtz Centre for Heavy Ion Research. Here, laser spectroscopy can be performed on store…