Nanophotonics
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Nanosecond-Scale Beam Steering via Electrostatic Exciton Control in Monolayer MoSe2
Researchers demonstrate a few-pixel beam steering device using electrostatic gating of excitons in a MoSe2 monolayer, leveraging its high reflectivity and strong light-matter interactions with a graphene split-gate geometry. This enables continuous 10° beam deflection, 2D steering, and switching tim…