Space-Time Modulated Metasurfaces for Steering of Frequency-Shifted Beams

Prachi Thureja,Jared F. Sisler,Meir Y. Grajower,Ruzan Sokhoyan,Harry A. Atwater

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We demonstrate steering of frequency-shifted beams at telecom wavelengths using ITO-based metasurfaces. Driving wavefronts up to 10 MHz are superimposed with spatial phase gradients to control the spectrum and propagation direction of the scattered light.

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