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Nonlinear Dielectric Metasurfaces for Wavefront Control

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Authors

Wang, Lei
Kruk, Sergey
Koshelev, Kirill
Kravchenko, Ivan I
Luther-Davies, Barry
Kivshar, Yuri

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Optical Society of American (OSA)

Abstract

We demonstrate Si-based metasurfaces for third-harmonic generation of an arbitrary wavefront. The nonlinear metasurfaces produce phase gradients within a full 0--2π phase range. We achieve 92% diffraction efficiency of the nonlinear wavefront control.

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Source

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

Book Title

2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings

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Restricted until

2037-12-31
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