Meta-grating coupler on SOI synthesizes 300 μm waist near-Gaussian collimated beams with M² ≤ 1.10 via spatially varying sub-wavelength unit cells that control local coupling strength and emission angle.
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Review surveying experimental realizations of topological phases across optical lattices, synthetic lattices, Floquet-engineered systems, and optical tweezer arrays.
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High-Beam-Quality Meta-Grating Couplers for Large Collimated Free-Space Beams on Silicon-on-Insulator
Meta-grating coupler on SOI synthesizes 300 μm waist near-Gaussian collimated beams with M² ≤ 1.10 via spatially varying sub-wavelength unit cells that control local coupling strength and emission angle.