Free spectral range magnetic tuning of an integrated microcavity

Yuechen Lei,Zhi-Gang Hu,Min Wang,Yi-Meng Gao,Zhanchun Zuo,Xiulai Xu,Bei-Bei Li

Fundamental Research（2023）

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摘要

•We propose a high-speed full free spectral range (FSR) magnetic tuning scheme of an integrated silicon nitride (Si3N4) double-disk microcavity coated with a magnetostrictive film.•The proposed structure enables a full FSR tuning with a required magnetic flux density (BFSR) of milli-Tesla level.•The dynamic response of the magnetic tuning scheme can reach as high as hundreds of kHz.

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关键词

Optical microcavities,Tunable microcavities,Optomechanics,Magnetic tuning,Integrated photonic devices

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