Enhanced Thermo-Optic Efficiency of Silicon Photonic Switch with Passively Aligned Nematic Liquid Crystals

Li-Yuan Chiang; Hao-Chi Liao; Chun-Ta Wang; Steve Pappert; Paul K. L. Yu

doi:10.1364/PSC.2021.Tu3A.3

Photonics in Switching and Computing 2021
OSA Technical Digest (Optica Publishing Group, 2021),
paper Tu3A.3
•https://doi.org/10.1364/PSC.2021.Tu3A.3

Enhanced Thermo-Optic Efficiency of Silicon Photonic Switch with Passively Aligned Nematic Liquid Crystals

Li-Yuan Chiang, Hao-Chi Liao, Chun-Ta Wang, Steve Pappert, and Paul K. L. Yu

Photonics in Switching and Computing 2021

Washington, DC United States
27–29 September 2021
ISBN: 978-1-943580-99-6

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Photonic Technologies for Computing, Switching, and Interconnects IV (Tu3A)

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L. Chiang, H. Liao, C. Wang, S. Pappert, and P. K. L. Yu, "Enhanced Thermo-Optic Efficiency of Silicon Photonic Switch with Passively Aligned Nematic Liquid Crystals," in Photonics in Switching and Computing 2021, W. Bogaerts, K. Morito, S. Ben Yoo, M. Fiorentino, K. Ishii, and B. Offrein, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper Tu3A.3.

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Abstract

We propose a new technique to achieve low power consumption in silicon thermo-optic switches without sacrificing speed. By incorporating subwavelength gratings and nematic liquid crystals, a switching power of 3.7 mW is achieved.

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