Frontiers of Optoelectronics, Volume. 15, Issue 1, 12200(2022)

Dynamics of cavity soliton driven by chirped optical pulses in Kerr resonators

Jianxing Pan1, Chaoyu Xu1, Zhichao Wu1, Jing Zhang1, Tianye Huang1、*, and Perry Ping Shum2
Author Affiliations
  • 1School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), Wuhan 430074, China
  • 2Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China
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    Recent researches have demonstrated that pulsed driving is an effective method to increase the temporal overlap between cavity soliton (CS) and pump field, thereby increasing the pump-to-comb conversion efficiency. The amplitude-modulated inhomogeneity of the background wave causes the solitons to drift toward edges of the driving pulse. To eliminate the multiple temporal trapping positions, induced by the spontaneous symmetry breaking, we propose the chirped pulse driving for deterministic single soliton generation. We theoretically explain the physical mechanism of the chirp pulse driving, as the combination of amplitude and phase modulation. Our numerical simulations demonstrate the chirp is responsible for the single soliton generation. A detailed investigation for dynamics of CSs sustained by chirped pulses, shows the recovery of spontaneous symmetry breaking. In addition, the desynchronized chirped pulse driving is also considered here. Considering a weak chirp parameter, the desynchronization-dependent trapping position diagram is divided into multiple areas including two CSs, a single CS, two oscillating CSs, and no CS. With a sufficient chirp parameter considered, the trapping position curve becomes a monotonous function of the desynchronized drift velocity, which indicates deterministic single soliton generation.

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    Jianxing Pan, Chaoyu Xu, Zhichao Wu, Jing Zhang, Tianye Huang, Perry Ping Shum. Dynamics of cavity soliton driven by chirped optical pulses in Kerr resonators[J]. Frontiers of Optoelectronics, 2022, 15(1): 12200

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Oct. 22, 2021

    Accepted: Jan. 25, 2022

    Published Online: Aug. 25, 2022

    The Author Email: Tianye Huang (huangty@cug.edu.cn; tianye_huang@163.com)

    DOI:10.1007/s12200-022-00018-3

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