Soliton bunch dynamics in soliton rain induced by noise-mediated interaction in a mode-locked fiber laser

Yifeng Wang, Zhifeng Shi, Qiyang Zhou, Zhi Wang, Yan-ge Liu and Pan Wang

Chaos, Solitons & Fractals, 2026, vol. 210, issue P1

Abstract: Nonlinear dynamics of soliton rain is an intriguing topic in complex soliton dynamics studies, which concentrates on soliton behaviors induced by multi-soliton interactions. This article reports the complex soliton rain phenomenon with the formation of high-intensity drifting soliton bunches (DSBs) in an all-fiber mode-locked laser. Considering the temporal properties of DSBs, we infer that high-intensity DSBs introduce a long-range effect on the train length in the time scale of the soliton rain and drifting soliton interaction dynamics. Furthermore, we conclude that a competing effect between noise-mediated interaction and soliton rain dynamics contributes to the formation process of DSBs. Our observation promotes the understanding of multi-soliton interaction and might further provide insight into applications in controlling multi-solitons.

Keywords: Fiber laser; Soliton rain; NMI; Nonlinear dynamics (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:210:y:2026:i:p1:s0960077926007964

DOI: 10.1016/j.chaos.2026.118655

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