High-Harmonic Generation in Dielectric Metasurfaces Empowered by Bound States in the Continuum

George Zograf; George Zograf; Anastasia Zalogina; Kirill Koshelev; Kirill Koshelev; Duk-Yong Choi; Viacheslav Korolev; Richard Hollinger; Daniil Kartashov; Michael Zürch; Michael Zürch; Christian Spielmann; Sergey Makarov; Barry Luther-Davies; Sergey Kruk; Yuri Kivshar; Yuri Kivshar

doi:10.1364/CLEO_QELS.2020.FTh1C.5

Abstract

We demonstrate nonlinear silicon metasurfaces empowered by collective localized modes governed by bound states in the continuum operating in mid-infrared spectral range. When being resonantly excited, the metasurfaces generate 3^rd to 11^th odd optical harmonics.

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