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All-Dielectric Intersubband Polaritonic Metasurface with Giant Second-Order Nonlinear Response

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Abstract

We demonstrate an extremely nonlinear all-dielectric metasurface that employs intersubband polaritons to achieve a second-harmonic conversion coefficient of 3 mW/W2, and second-harmonic power conversion efficiency of 0.045% at a modest pump intensity of 6.7 kW/cm2.

© 2020 The Author(s)

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More Like This
Intersubband Polaritonics in Dielectric Metasurfaces

Raktim Sarma, Nishant Nookala, Kevin Reilly, Sheng Liu, Domenico de Ceglia, Michael Goldflam, Luca Carletti, Salvatore Campione, John Klem, Michael B. Sinclair, Mikhail A. Belkin, and Igal Brener
FF1B.6 CLEO: QELS_Fundamental Science (CLEO_QELS) 2020

Control of Second-Harmonic Generation in Dielectric Polaritonic Metasurfaces Using χ(2) Polarity Switching

Raktim Sarma, Jiaming Xu, Domenico de Ceglia, John Klem, Michael Sinclair, Mikhail A. Belkin, and Igal Brener
FM3I.2 CLEO: QELS_Fundamental Science (CLEO_QELS) 2021

Giant nonlinear response of polaritonic metasurfaces coupled to intersubband transition

JONGWON LEE, Nishant Nookala, Mykhailo Tymchenko, Juan Sebastian Gomez-Diaz, Frederic Demmerle, Gerhard Boehm, Markus-Christian Amann, Andrea Alu, and Mikhail A. Belkin
FM3E.1 CLEO: QELS_Fundamental Science (CLEO_QELS) 2015

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