Dual-mode pulse complexes consisting of dissipative solitons and noise-like pulses in a passively mode-locked fiber laser

IF 2.2 3区物理与天体物理 Q2 OPTICS

Optics Communications Pub Date : 2025-07-12 DOI:10.1016/j.optcom.2025.132212

Xu Geng , Xude Wang , Xu Zhang , Yuexin Li , Zheng Lv , Xiaoping Lou , Lianqing Zhu

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引用次数: 0

Abstract

In a passively mode-locked Er-doped fiber laser (PMLEDFL) based on nonlinear polarization rotation (NPR), a dual-mode pulse complex (DMPC) is introduced to describe the symbiotic coexistence of dissipative soliton (DS) and noise-like pulse (NLP). The DMPCs exhibiting reversible temporal orderings or containing DS pairs are captured by using the dispersive Fourier transform (DFT) technique. Its physical mechanism is attributed to a delicate balance between repulsive and attractive forces among pulses, resulting from the complex interplay of significant nonlinear effects, dispersion, gain and loss. The experimental results are further verified by the numerical simulations. To the best of our knowledge, this is the first time that DMPC consisting of DS and NLP has been analyzed in detail using DFT technique. This work will help to complement our understanding of multi-pulse dynamics and provide new insights into the dynamic phenomenon of nonlinear optical systems.

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被动锁模光纤激光器中由耗散孤子和类噪声脉冲组成的双模脉冲复合物

在基于非线性偏振旋转（NPR）的被动锁模掺铒光纤激光器（PMLEDFL）中，引入双模脉冲复合体（DMPC）来描述耗散孤子（DS）和类噪声脉冲（NLP）的共生共存。利用频散傅立叶变换（DFT）技术捕获了具有可逆时间顺序或包含DS对的DMPCs。其物理机制归因于脉冲间的斥力和引力之间的微妙平衡，这是由显著的非线性效应、色散、增益和损耗等复杂的相互作用造成的。数值模拟进一步验证了实验结果。据我们所知，这是第一次使用DFT技术详细分析由DS和NLP组成的DMPC。这项工作将有助于补充我们对多脉冲动力学的理解，并为非线性光学系统的动态现象提供新的见解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Optics Communications 物理-光学

CiteScore

5.10

自引率

8.30%

发文量

681

审稿时长

38 days

期刊介绍： Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.