Electrical control of second harmonic generation from intersubband polaritonic metasurfaces

Jaeyeon Yu; Seongjin Park; Inyong Hwang; Gerhard Boehm; Mikhail A. Belkin; Jongwon Lee

doi:10.1117/12.2651491

15 March 2023 Electrical control of second harmonic generation from intersubband polaritonic metasurfaces

Jaeyeon Yu, Seongjin Park, Inyong Hwang, Gerhard Boehm, Mikhail A. Belkin, Jongwon Lee

Proceedings Volume 12419, Ultrafast Phenomena and Nanophotonics XXVII; 124190D (2023) https://doi.org/10.1117/12.2651491
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

We report electrically tunable nonlinear optical metasurfaces for Second Harmonic Generation (SHG) based on coupling of intersubband transitions with plasmonic nanocavity. In the structure, conversion efficiency, spectral bandwidth, and local nonlinear phase of SHG can be controlled by the nonlinear response of the constituent meta-atoms. Experimentally, we demonstrate over 2900% of SHG intensity modulation depth, SHG beam diffraction, and SHG beam steering by applying electrical bias voltages. In addition, we propose a new meta-atom structure with full 2π phase tunability, which can be used to construct electrically tunable nonlinear flat optics.

Conference Presentation

Citation Download Citation

Jaeyeon Yu, Seongjin Park, Inyong Hwang, Gerhard Boehm, Mikhail A. Belkin, and Jongwon Lee "Electrical control of second harmonic generation from intersubband polaritonic metasurfaces", Proc. SPIE 12419, Ultrafast Phenomena and Nanophotonics XXVII, 124190D (15 March 2023); https://doi.org/10.1117/12.2651491

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