Third-harmonic generation enhanced by topological corner states in valley-Hall dielectric metasurfaces

Sergey Kruk; Sergey Kruk; Wenlong Gao; Wenlong Gao; Duk Yong Choi; Thomas Zentgraf; Shuang Zhang; Yuri Kivshar

doi:10.1364/CLEO_QELS.2021.FTu1L.8

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FTu1L.8
•https://doi.org/10.1364/CLEO_QELS.2021.FTu1L.8

Third-harmonic generation enhanced by topological corner states in valley-Hall dielectric metasurfaces

Sergey Kruk, Wenlong Gao, Duk Yong Choi, Thomas Zentgraf, Shuang Zhang, and Yuri Kivshar

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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High- and Low-Harmonic Generation (FTu1L)

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S. Kruk, W. Gao, D. Y. Choi, T. Zentgraf, S. Zhang, and Y. Kivshar, "Third-harmonic generation enhanced by topological corner states in valley-Hall dielectric metasurfaces," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FTu1L.8.

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Abstract

We design numerically, then fabricate and study experimentally optical valley-Hall resonant dielectric metasurfaces placed on a mirror for topology-empowered third-harmonic generation from subwavelength topological edge and corner states.

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