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Conferences > CLEO_QELS > 2022 > FM5F > FM5F.6

Terahertz Generation from GaAs Metasurfaces: Role of Surface Nonlinearity

Lucy L Hale, Hyunseung Jung, Sylvain Gennaro, Jayson Briscoe, Charles Thomas Harris, Ting Shan Luk, Sadhvikas J Addamane, John L Reno, Igal Brener, and Oleg Mitrofanov

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Abstract

We show that a GaAs metasurface can generate THz radiation with comparable efficiency to a bulk GaAs crystal. We attribute the enhanced generation to second order nonlinearity with the surface making a strong contribution.

© 2022 The Author(s)

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