Four-mode waveguide crossing via digitized meta-structure

Yingjie Liu; Zhongqiu Zhong; Shuai Wang; Yilin Liu; Yong Yao; Jiangbing Du; Qinghai Song; Ke Xu

doi:10.1364/OFC.2021.F2B.3

Optical Fiber Communication Conference (OFC) 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper F2B.3
•https://doi.org/10.1364/OFC.2021.F2B.3

Four-mode waveguide crossing via digitized meta-structure

Yingjie Liu, Zhongqiu Zhong, Shuai Wang, Yilin Liu, Yong Yao, Jiangbing Du, Qinghai Song, and Ke Xu

Optical Fiber Communication Conference 2021

Washington, DC United States
6–11 June 2021
ISBN: 978-1-943580-86-6

From the session
Metamaterial and Multimode Devices for Optical Communications (F2B)

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Y. Liu, Z. Zhong, S. Wang, Y. Liu, Y. Yao, J. Du, Q. Song, and K. Xu, "Four-mode waveguide crossing via digitized meta-structure," in Optical Fiber Communication Conference (OFC) 2021, P. Dong, J. Kani, C. Xie, R. Casellas, C. Cole, and M. Li, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper F2B.3.

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Abstract

A four-mode waveguide crossing with footprint of only 7.5×7.5 μm² is demonstrated on silicon photonic platform. The device insertion loss is less than 0.85 dB, and the crosstalk is below-18 dB for 1500-1580 nm.

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