Vibrational Kerr Solitons in an Optomechanical Microresonator

Jia-Chen Shi, Qing-Xin Ji, Qi-Tao Cao, Yan Yu, Wenjing Liu, Qihuang Gong, and Yun-Feng Xiao
Phys. Rev. Lett. 128, 073901 – Published 18 February 2022
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Abstract

Kerr soliton microcombs in microresonators have been a prominent miniaturized coherent light source. Here, for the first time, we demonstrate the existence of Kerr solitons in an optomechanical microresonator, for which a nonlinear model is built by incorporating a single mechanical mode and multiple optical modes. Interestingly, an exotic vibrational Kerr soliton state is found, which is modulated by a self-sustained mechanical oscillation. Besides, the soliton provides extra mechanical gain through the optical spring effect, and results in phonon lasing with a red-detuned pump. Various nonlinear dynamics is also observed, including limit cycle, higher periodicity, and transient chaos. This work provides a guidance for not only exploring many-body nonlinear interactions, but also promoting precision measurements by featuring superiority of both frequency combs and optomechanics.

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  • Received 28 September 2021
  • Accepted 25 January 2022

DOI:https://doi.org/10.1103/PhysRevLett.128.073901

© 2022 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Jia-Chen Shi1, Qing-Xin Ji1,*, Qi-Tao Cao1, Yan Yu1,*, Wenjing Liu1, Qihuang Gong1,2, and Yun-Feng Xiao1,2,†

  • 1State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano-optoelectronics, School of Physics, Peking University, 100871 Beijing, China
  • 2Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan 030006, China

  • *Present address: T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, California, USA.
  • Corresponding author. yfxiao@pku.edu.cn

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Issue

Vol. 128, Iss. 7 — 18 February 2022

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