Gigahertz-rate switchable wavefront shaping by ithium-niobate-on-insulator empowered metasurface

https://phys.org/news/2024-04-gigahertz-switchable-wavefront-lnoi-empowered.html

"real-time high-speed beam shaping, spatial light modulation, information processing, in compact photonic IC's... subwavelength metasurfaces manipulate light in both spatial and temporal domains leveraging lithium niobate's electro-optics... applying different electric signals to electrodes enables shaping any wavefront in reconfigurable arbitrary polarization states... lateral focal position and focal length control, orbital angular momentum, Bessel beams... optical communication, computation, sensing, imaging"