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

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FM3E.1 CLEO: QELS_Fundamental Science (CLEO_QELS) 2015

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J. Lee, C. Argyropoulos, P.-Y. Chen, M. Tymchenko, F. Lu, F. Demmerle, G. Boehm, M.-C. Amann, A. Alu, and M.A. Belkin
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