The Linewidth Enhancement Factor in a Microcavity Brillouin Laser

Zhiquan Yuan; Heming Wang; Lue We; Maodong Gao; Kerry Vahala

doi:10.1364/CLEO_QELS.2021.FM4H.5

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FM4H.5
•https://doi.org/10.1364/CLEO_QELS.2021.FM4H.5

The Linewidth Enhancement Factor in a Microcavity Brillouin Laser

Zhiquan Yuan, Heming Wang, Lue We, Maodong Gao, and Kerry Vahala

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Photonics in Cavities and Resonators I (FM4H)

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Z. Yuan, H. Wang, L. We, M. Gao, and K. Vahala, "The Linewidth Enhancement Factor in a Microcavity Brillouin Laser," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FM4H.5.

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Abstract

Amplitude-phase coupling can enhance the linewidth of regenerative oscillators and lasers. Here, in Brillouin lasers, the coupling is shown to originate from phase mismatch. Linewidth enhancements as large as 50× are measured.

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