A 2×2 photonic crystal waveguide thermo-optic switch

Yue Shao; Lemeng Leng; Peiyan Zhao; Wei Jiang

doi:10.1117/12.2522209

14 February 2019 A 2×2 photonic crystal waveguide thermo-optic switch

Yue Shao, Lemeng Leng, Peiyan Zhao, Wei Jiang

Proceedings Volume 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018); 110481Q (2019) https://doi.org/10.1117/12.2522209
Event: 17th International Conference on Optical Communications and Networks (ICOCN2018), 2018, Zhuhai, China

Abstract

This work introduces a 2×2 silicon thermo-optical switch based on photonic crystal waveguides. Photonic crystal waveguides (PCWs) were used to replace conventional channel waveguides in the phase shifters of a Mach-Zehnder interferometer (MZI). This device was fabricated on silicon-on-insulator (SOI) platform. The active length of the PCWs-based phase shifter was only 50μm. Because of the slow light effect of PCWs, the heat needed to generate a phase shift of π reduced dramatically. The experiment results showed that the power needed for phase shifter of π is 6 times less than that of conventional MZI based optical switches.

Citation Download Citation

Yue Shao, Lemeng Leng, Peiyan Zhao, and Wei Jiang "A 2×2 photonic crystal waveguide thermo-optic switch", Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110481Q (14 February 2019); https://doi.org/10.1117/12.2522209

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