Nonlinear dielectric metasurfaces: frequency mixing and infrared image upconversion (Conference Presentation)

Dragomir N. Neshev

doi:10.1117/12.2546215

10 March 2020 Nonlinear dielectric metasurfaces: frequency mixing and infrared image upconversion (Conference Presentation)

Dragomir N. Neshev

Author Affiliations +

Proceedings Volume 11290, High Contrast Metastructures IX; 112900B (2020) https://doi.org/10.1117/12.2546215
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Optical metasurfaces have shown an increasing promise to efficient nonlinear frequency conversion due to the presence of Mie-type resonances. Such enhanced nonlinear wave-mixing has opened an opportunity for frequency up-conversion of infrared images to visible in ultra-thin optical devices. Here we demonstrate GaAs metasurface infrared imaging with femtosecond time resolutions. Our results open new opportunities for the development of compact night-vision devices operating at room temperature and have multiple applications in defence and life sciences.

Conference Presentation

Citation Download Citation

Dragomir N. Neshev "Nonlinear dielectric metasurfaces: frequency mixing and infrared image upconversion (Conference Presentation)", Proc. SPIE 11290, High Contrast Metastructures IX, 112900B (10 March 2020); https://doi.org/10.1117/12.2546215

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