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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.128
  • https://doi.org/10.1364/ACPC.2020.M4A.128

Compact Five-mode De-multiplexer based on Grating Assisted Asymmetric Directional Couplers

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Abstract

We propose a 25-μm five-mode de-multiplexer based on subwavelength grating directional couplers with constant bus waveguide. The insertion loss is less than 0.31 dB at 1550 nm and its 1-dB bandwidth is over 100 nm.

© 2020 The Author(s)

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