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Nonlinear Dielectric Metasurfaces for Wavefront Control...

Publication Type
Conference Paper
Book Title
Proceedings Conference on Lasers and Electro-Optics
Publication Date
Volume
SM4D
Conference Name
CLEO: Science and Innovations 2018
Conference Location
San Jose, California, United States of America
Conference Sponsor
OSA
Conference Date
-

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.