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Conferences > NLO > 2021 > NW3B > NW3B.6

Highly Asymmetric Second-Harmonic Generation in a Bianisotropic Metasurface Assisted by Quasi-BICs

Ehsan Mobini, Rasoul Alaee, Robert Boyd, and Ksenia Dolgaleva

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Abstract

We theoretically demonstrate that it is possible to obtain several orders of magnitude second-harmonic power difference for the forward and backward illuminations by adjusting geometrical parameters coinciding with quasi-BICs. Our study paves the way towards generation of directional higher-order waves.

© 2021 The Author(s)

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