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physics.optics2021★ 92 cited
Near-unity third-harmonic circular dichroism driven by quasi-BIC in asymmetric silicon metasurfaces
Marco Gandolfi, Andrea Tognazzi, Davide Rocco +2
We use numerical simulations to demonstrate third-harmonic generation with near-unity nonlinear circular dichroism (CD) and high conversion efficiency () i…
physics.optics2021★ 19 cited
Third-harmonic light polarization control in magnetically-resonant silicon metasurfaces
Andrea Tognazzi, Kirill I. Okhlopkov, Attilio Zilli +9
Nonlinear metasurfaces have become prominent tools for controlling and engineering light at the nanoscale. Usually, the polarization of the total generated third harmonic is studie…