3 papers
physics.optics2026
Hybrid BaTiO3/TiO2 Metasurface for Efficient Gigahertz-Speed Free-Space Electro-Optic Modulation
Zhongpeng Sun, Kerolos M. A. Yousef, Michael Domm +13
Free-space electro-optic modulators are key to emerging photonic systems, yet their performance remains limited by trade-offs between modulation efficiency, bandwidth, and device a…
physics.optics2026
Quantum-Well-Metasurface to Maximize Nonlinear Polarization
Pernille Undrum Fathi, Irene Occhiodori, Patrick Devaney +12
Nonlinear frequency conversion unlocks technologies ranging from telecommunications to quantum computation; however, weak nonlinearities and architectures that resist miniaturizati…
physics.optics2025
High-power quantum walk frequency combs
Theodore P. Letsou, Johannes Fuchsberger, Nikola OpaÄak +3
High-power, broadband frequency combs generated by semiconductor lasers have profound implications for on-chip spectroscopy. Here, we present a dry-etched racetrack quantum cascade…