Space-Time Modulated Metasurfaces for Steering of Frequency-Shifted Beams
2023 Conference on Lasers and Electro-Optics (CLEO)(2023)
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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