Avoiding undesired phase-matched couplings enables high-efficiency multi-mode grating couplers, with scaling laws predicting 5-10 modes in 2D and hundreds in 3D designs.
Analysis and design of grating couplers , url =
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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.
citing papers explorer
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Many-mode grating couplers by avoiding undesired couplings
Avoiding undesired phase-matched couplings enables high-efficiency multi-mode grating couplers, with scaling laws predicting 5-10 modes in 2D and hundreds in 3D designs.
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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.