Dual-Level Silicon Grating Coupler with a Record -0.8 dB Coupling Efficiency
2023 Conference on Lasers and Electro-Optics (CLEO)(2023)
Abstract
We report the design, fabrication and experimental characterization of a dual-level grating coupler for a 220 nm thick silicon photonics platform with a record coupling efficiency of -0.8 dB without the use of any back-reflector.
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