Stacked Chalcogenide Metasurfaces for the Enhancement of Third Harmonic Generation in the Opacity Range

M. A. Vincenti; J. Gao; D. de Ceglia; J. Frantz; N. M. Litchinitser; M. Scalora

doi:10.1364/NLO.2021.NW3B.7

OSA Nonlinear Optics 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper NW3B.7
•https://doi.org/10.1364/NLO.2021.NW3B.7

Stacked Chalcogenide Metasurfaces for the Enhancement of Third Harmonic Generation in the Opacity Range

M. A. Vincenti, J. Gao, D. de Ceglia, J. Frantz, N. M. Litchinitser, and M. Scalora

Nonlinear Optics 2021

Washington, DC United States
9–13 August 2021
ISBN: 978-1-943580-97-2

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Nonlinear Effects in Structured Media (NW3B)

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M. A. Vincenti, J. Gao, D. de Ceglia, J. Frantz, N. M. Litchinitser, and M. Scalora, "Stacked Chalcogenide Metasurfaces for the Enhancement of Third Harmonic Generation in the Opacity Range," in OSA Nonlinear Optics 2021, R. Boyd, C. Conti, D. Christodoulides, and P. Rakich, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper NW3B.7.

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Abstract

We exploit the band structure of stacked chalcogenide metasurfaces to enhance harmonic generation in the ultra-violet frequency range. Suppression of absorption and improved field localization conspire to generate a third harmonic signal at ~285 nm.

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