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

Simei Mao; Lirong Cheng; Sailong Wu; Xin Mu; Xin Tu; Qian Li; H.Y. Fu

doi:10.1364/ACPC.2020.M4A.128

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

Simei Mao, Lirong Cheng, Sailong Wu, Xin Mu, Xin Tu, Qian Li, and H.Y. Fu

Asia Communications and Photonics Conference 2020

Beijing China
24–27 October 2020
ISBN: 978-1-943580-82-8

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S. Mao, L. Cheng, S. Wu, X. Mu, X. Tu, Q. Li, and H. Y. Fu, "Compact Five-mode De-multiplexer based on Grating Assisted Asymmetric Directional Couplers," in Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC), K. Xu, D. Simeonidou, C. Chang-Hasnain, N. Wada, X. Ren, Z. Zhukov, P. Perry Shum, Y. Ji, J. Zhang, X. Zhou, C. Lu, and L. Wosinska, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper M4A.128.

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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.

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