An optically driven digital metasurface to bridge visible light and microwave communications

The proposed optically interrogated digital platform (OIDP) and its performance. a,b, Simulated electric field intensity distributions of the Ey component on the y–z plane at 5.8 GHz for the uncloaked case (a) and the cloaked case (b). c,d, Simulated intensity distributions of Ey electric field component on the y–z plane at 6.5 GHz of the metasurface (c) and target (d). e,f, Simulated 3D vortex beams with l= 1 (e) and I=−2 (f) modes at 6.5 GHz. g,h, Simulated phase distributions of Ey electric...
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