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physics.optics2025
Enhanced THz third-harmonic generation in graphene via hot-carriers in a topological cavity
Spyros Doukas, Ioannis Katsantonis, Thomas Koschny +2
Graphene is a promising material for nonlinear THz applications owing to its high third-order susceptibility and tunable optical properties. Its strong nonlinear response, driven b…
physics.optics2024
Multispectral Polarization-Insensitive Graphene/Silicon Guided Mode Resonance Active Metasurfaces
Prateeksha Sharma, Dor Oz, Eleftheria Lampadariou +3
We investigate advanced CMOS-compatible Graphene/Silicon active metasurfaces based on guided-mode resonance filters. The simulated results show a high extinction ratio (>25 dB), na…