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  • Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
  • OSA Technical Digest (Optica Publishing Group, 2020),
  • paper M4A.166
  • https://doi.org/10.1364/ACPC.2020.M4A.166

Efficient Silicon Nitride Grating Coupler with Silicon Reflector at Near-Infrared Wavelengths

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A high efficiency double layer grating coupler at near-infrared wavelengths is proposed for the first time. The experimental peak coupling efficiency and 1-dB bandwidth of the grating coupler are 2.78 dB and 32 nm, respectively.

© 2020 The Author(s)

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