Silicon-based multi-channel wavelength-division multiplexers for microring optical interconnects

Jinyi Wu; Jintao Xue; Yangming Ren; Binhao Wang

doi:10.1117/12.3007338

21 December 2023 Silicon-based multi-channel wavelength-division multiplexers for microring optical interconnects

Jinyi Wu, Jintao Xue, Yangming Ren, Binhao Wang

Proceedings Volume 12966, AOPC 2023: AI in Optics and Photonics ; 129661I (2023) https://doi.org/10.1117/12.3007338
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China

Abstract

A compact silicon-based four-port coarse wavelength-division multiplexer (CWDM) with a footprint of 200×200 μm2 and an insertion loss of ~2dB is demonstrated. This configuration can support each laser power of over 100mW without inducing silicon nonlinear effects. The design eliminates the need for interference in multiplexing different wavelength channels, resulting in significant fabrication tolerance and eliminating the requirement for phase shifters. The crucial components, such as power splitters/combiners and crossings, are designed and optimized using genetic-algorithm-based deep neural network (GDNN) inverse design methodologies to achieve minimal loss and broad bandwidth.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jinyi Wu, Jintao Xue, Yangming Ren, and Binhao Wang "Silicon-based multi-channel wavelength-division multiplexers for microring optical interconnects", Proc. SPIE 12966, AOPC 2023: AI in Optics and Photonics , 129661I (21 December 2023); https://doi.org/10.1117/12.3007338

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