Active Beam Steering Enabled by Photonic-Crystal Surface-Emitting Laser
Mingjin Wang,
Feifan Wang,
Jingxuan Chen
et al.
Abstract:Emitting light toward on-demand directions is important for various optoelectronic applications, such as optical communication, displaying, and ranging. However, almost all existing directional emitters are assemblies of passive optical antennae and external light sources, which are usually bulky and fragile and show unendurable loss of light power. Here we theoretically propose and experimentally demonstrate a conceptual design of a directional emitter, by using a single surfaceemitting laser source itself to… Show more
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