Bidirectional high-speed optical wireless communication with tunable large field of view assisted by liquid crystal metadevice.

ABSTRACT: Beam-steered infrared (IR) light communication has gained tremendous attention as one of the solutions of congested wireless communication traffic. High performance active beam-steering devices play a crucial role in data allocation and exchange. Conventional beam-steering devices such as spatial light modulator (SLM) and micro-electrical mechanical system (MEMS) mirror and the current emerging nonmechanical beam-steering metasurface-based devices are challenging to realize a large tunable steering angle beyond several degrees, which significantly hinders the spatial application of optical wireless communications (OWC). Herein, an angle-magnified liquid crystal (LC) metadevice consisting of LC metasurfaces and a liquid crystal on silicon (LCoS) is proposed to realize active beam steering w

SUBMITTER: Wu M 

PROVIDER: S-EPMC11635923 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature