Ultra-broadband Four-mode Waveguide Crossing via Inverse Design Method

Jinhua Chen, Weiwei Pan,Chen Ji

2023 IEEE PHOTONICS CONFERENCE, IPC（2023）

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Abstract

An ultra-broadband four-mode waveguide crossing with a footprint of only 7.8 x 7.8 mu m(2) is designed on silicon photonic platform. The insertion loss of the device is less than 0.73 dB, and the crosstalk is below -30 dB for 1400-1800 nm.

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Key words

waveguide crossing,mode division multiplex,silicon photonic,integrated optics

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