Optical frequency combs and chaos in a hybrid atom–cavity optomagnonical system via the synergy of double-probe fields

Yilou Liu, Rui-Shan Zhao, Kai-Kai Zhang, Ziyu Jia, Ren-Gang Wan, Hui Sun, Wen-Xing Yang and Xiao-Tao Xie

Chaos, Solitons & Fractals, 2024, vol. 188, issue C

Abstract: We theoretically investigate the modulation of optical frequency combs and chaos by the synergy of double-probe fields in the hybrid atom–cavity optomagnonical system consisting of a yttrium iron garnet sphere, a two-level atom, and a tapered fiber. Our results show that in the case of a single-probe field, the atom-optical mode coupling strength and amplitude strength of the probe field can effectively modify the tooth spacing (from one to one-half tooth spacing) of the optical frequency combs, as well as the entry or withdrawal of chaos. In a chaotic region, the relative phases between the control and probe fields can also be adjusted to withdraw chaotic motion. Moreover, we demonstrate the generation of hybridized fraction-order frequency combs via the synergy of double-probe fields, which is caused by the sum and difference frequency effects of sidebands. Interestingly, it is found that through the synergy of the double-probe fields, the system can enter a chaotic state under lower applied field intensity, which is modulated by the amplitude strengths and relative phases of the dual probe fields. In addition to providing insight into the characteristics of optical frequency combs and chaos in the hybrid atom–cavity optomagnonical system, our research may offer a new perspective for the development of precision measurements and secret information processing.

Keywords: Cavity optomagnonics; Optical chaos; Optical frequency combs; Fraction-order sideband; Sum and difference sideband (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:188:y:2024:i:c:s0960077924011093

DOI: 10.1016/j.chaos.2024.115557

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