Ultra-compact and polarization-insensitive MMI coupler based on inverse design

Yingjie Liu; Zhiyu Li; Shuai Wang; Nan Zhang; Yong Yao; Jiangbing Du; Zuyuan He; Qinghai Song; Ke Xu

doi:10.1364/OFC.2019.W3B.7

Optical Fiber Communication Conference (OFC) 2019
OSA Technical Digest (Optica Publishing Group, 2019),
paper W3B.7
•https://doi.org/10.1364/OFC.2019.W3B.7

Ultra-compact and polarization-insensitive MMI coupler based on inverse design

Yingjie Liu, Zhiyu Li, Shuai Wang, Nan Zhang, Yong Yao, Jiangbing Du, Zuyuan He, Qinghai Song, and Ke Xu

Optical Fiber Communication Conference 2019

San Diego, California United States
3–7 March 2019
ISBN: 978-1-943580-53-8

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Novel Device Design (W3B)

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Y. Liu, Z. Li, S. Wang, N. Zhang, Y. Yao, J. Du, Z. He, Q. Song, and K. Xu, "Ultra-compact and polarization-insensitive MMI coupler based on inverse design," in Optical Fiber Communication Conference (OFC) 2019, OSA Technical Digest (Optica Publishing Group, 2019), paper W3B.7.

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Abstract

We experimentally demonstrate a polarization-insensitive MMI coupler with a footprint of 2.4×2.4 μm². It allows for >90% transmission efficiency for both TE and TM polarized optical wave with a wavelength range from 1480 ~ 1560 nm.

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