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

Authors :: Michael B. Sinclair
Sylvain D. Gennaro
Luca Carletti
Nishant Nookala
Igal Brener
Salvatore Campione
Mikhail A. Belkin
Jiaming Xu
John F. Klem
Raktim Sarma
Domenico de Ceglia
Source :: Conference on Lasers and Electro-Optics.
Publication Year :: 2020
Publisher :: Optica Publishing Group, 2020.
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.

Subjects :: Physics
business.industry
Energy conversion efficiency
Physics::Optics
Second-harmonic generation
02 engineering and technology
Dielectric
021001 nanoscience & nanotechnology
01 natural sciences
010309 optics
Optical pumping
Nonlinear system
Resonator
0103 physical sciences
Polariton
Optoelectronics
0210 nano-technology
business
Electron-beam lithography

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