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Conferences > CLEO_AT > 2019 > JTh2A > JTh2A.117

Boosting Second-Harmonic Generation in Nonlinear Metasurfaces with Bound States in the Continuum

Kirill Koshelev, Andrey Bogdanov, and Yuri Kivshar

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Abstract

We apply the concept of bound states in the continuum to nonlinear metasurfaces with a broken in-plane symmetry and realize high-Q resonances boosting dramatically the SHG efficiency via a smart asymmetry engineering.

© 2019 The Author(s)

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