We present experimental results on metasurfaces capable of performing analog image processing. Specifically, we show designs for 1st and 2nd order spatial differentiation enabling low power and real-time edge detection.

Resonant Nanophotonics

Cordaro, C.E.A, Kwon, H, Sounas, D.L, Koenderink, A.F, Polman, A, & Alù, A. (2019). Dielectric metasurfaces performing all-analog computing. In Conference on Lasers and Electro-Optics, OSA Technical Digest (Optical Society of America) FTh3M.2. OPG. doi:10.1364/cleo_qels.2019.fth3m.2