Topology optimization of sharp waveguide bends for mode-division multiplexing

Zhongqiu Zhong; Yingjie Liu; Ke Xu

doi:10.1364/OECC.2021.W2C.3

26th Optoelectronics and Communications Conference
OSA Technical Digest (Optica Publishing Group, 2021),
paper W2C.3
•https://doi.org/10.1364/OECC.2021.W2C.3

Topology optimization of sharp waveguide bends for mode-division multiplexing

Zhongqiu Zhong, Yingjie Liu, and Ke Xu

Optoelectronics and Communications Conference 2021

Hong Kong China
3–7 July 2021
ISBN: 978-1-943580-92-7

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Photonic Waveguides (W2C)

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Z. Zhong, Y. Liu, and K. Xu, "Topology optimization of sharp waveguide bends for mode-division multiplexing," in 26th Optoelectronics and Communications Conference, P. Alexander Wai, H. Tam, and C. Yu, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper W2C.3.

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Abstract

A multimode bend for four TE modes is designed via topological optimization. The device can operate from 1520-1580 nm with excess losses lower than 0.80 dB and inter-mode crosstalk lower than ‒15.52 dB.

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