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Localized high-Q resonances enable electrically defined beam steering in lithium niobate metasurfaces
Jiyong Shim, Sahil Dagli, Hamish Carr Delgado +7
High-speed beam steering for LiDAR and optical communication requires independent, reconfigurable control of optical phase. We demonstrate a metasurface combining lithium niobate's…
Factors Exceeding in Wavelength-to-Subwavelength-Scale Free-Space Resonators
Darrell E. Omo-Lamai, Varun Dolia, Yanyu Xiong +7
Free-space-addressable optical resonators that combine long photon lifetimes (high factors) with strong spatial localization of optical fields (small mode volumes, ) enhan…
GHz-speed wavefront shaping metasurface modulators enabled by resonant electro-optic nanoantennas
Sahil Dagli, Jiyong Shim, Hamish Carr Delgado +12
Electrically tunable metasurfaces that control the amplitude and phase of light through biasing of nanoscale antennas present a route to compact, sub-micron thick modulator devices…
Room-temperature valley-selective emission in Si-MoSe2 heterostructures enabled by high-quality-factor chiroptical cavities
Feng Pan, Xin Li, Amalya C. Johnson +14
Transition metal dichalcogenides possess valley pseudospin, enabling coupling between photon spin and electron spin for classical and quantum information processing. However, rapid…