High-efficiency tunable Raman lasers in compact multimode silicon racetrack resonators

Keyi Zhong; Yaojing Zhang; Hon Ki Tsang

doi:10.1364/CLEO_SI.2023.SW4L.5

CLEO 2023
Technical Digest Series (Optica Publishing Group, 2023),
paper SW4L.5
•https://doi.org/10.1364/CLEO_SI.2023.SW4L.5

High-efficiency tunable Raman lasers in compact multimode silicon racetrack resonators

Keyi Zhong, Yaojing Zhang, and Hon Ki Tsang

CLEO: Science and Innovations 2023

San Jose, CA United States
7–12 May 2023
ISBN: 978-1-957171-25-8

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High-Q Resonators and Combs (SW4L)

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K. Zhong, Y. Zhang, and H. K. Tsang, "High-efficiency tunable Raman lasers in compact multimode silicon racetrack resonators," in CLEO 2023, Technical Digest Series (Optica Publishing Group, 2023), paper SW4L.5.

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Abstract

We demonstrated a widely tunable silicon Raman laser with threshold of 0.2 mW and slope-efficiency of 27.5%. The adiabatic Euler bends maintained average loaded Q > 2.2 × 10⁶ throughout the 157 nm tuning range.

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