Transient breathing dynamics during extinction of dissipative solitons in mode-locked fiber lasers.

IF 4.1 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC Frontiers of Optoelectronics Pub Date : 2024-01-19 DOI:10.1007/s12200-024-00106-6
Zichuan Yuan, Si Luo, Ke Dai, Xiankun Yao, Chenning Tao, Qiang Ling, Yusheng Zhang, Zuguang Guan, Daru Chen, Yudong Cui
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Abstract

The utilization of the dispersive Fourier transformation approach has enabled comprehensive observation of the birth process of dissipative solitons in fiber lasers. However, there is still a dearth of deep understanding regarding the extinction process of dissipative solitons. In this study, we have utilized a combination of experimental and numerical techniques to thoroughly examine the breathing dynamics of dissipative solitons during the extinction process in an Er-doped mode-locked fiber laser. The results demonstrate that the transient breathing dynamics have a substantial impact on the extinction stage of both steady-state and breathing-state dissipative solitons. The duration of transient breathing exhibits a high degree of sensitivity to variations in pump power. Numerical simulations are utilized to produce analogous breathing dynamics within the framework of a model that integrates equations characterizing the population inversion in a mode-locked laser. These results corroborate the role of Q-switching instability in the onset of breathing oscillations. Furthermore, these findings offer new possibilities for the advancement of various operational frameworks for ultrafast lasers.

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模式锁定光纤激光器中耗散孤子消亡过程中的瞬态呼吸动力学。
利用色散傅立叶变换方法,可以全面观测光纤激光器中耗散孤子的产生过程。然而,人们对耗散孤子的消亡过程仍缺乏深入了解。在本研究中,我们结合实验和数值技术,深入研究了耗散孤子在掺铒模式锁定光纤激光器中消亡过程中的呼吸动力学。结果表明,瞬态呼吸动力学对稳态和呼吸态耗散孤子的消光阶段都有很大影响。瞬态呼吸的持续时间对泵浦功率的变化具有高度敏感性。我们利用数值模拟在一个模型的框架内产生了类似的呼吸动力学,该模型整合了模式锁定激光器中的种群反转特征方程。这些结果证实了 Q 开关不稳定性在呼吸振荡发生中的作用。此外,这些发现为推进超快激光器的各种运行框架提供了新的可能性。
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来源期刊
Frontiers of Optoelectronics
Frontiers of Optoelectronics ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
7.80
自引率
0.00%
发文量
583
期刊介绍: Frontiers of Optoelectronics seeks to provide a multidisciplinary forum for a broad mix of peer-reviewed academic papers in order to promote rapid communication and exchange between researchers in China and abroad. It introduces and reflects significant achievements being made in the field of photonics or optoelectronics. The topics include, but are not limited to, semiconductor optoelectronics, nano-photonics, information photonics, energy photonics, ultrafast photonics, biomedical photonics, nonlinear photonics, fiber optics, laser and terahertz technology and intelligent photonics. The journal publishes reviews, research articles, letters, comments, special issues and so on. Frontiers of Optoelectronics especially encourages papers from new emerging and multidisciplinary areas, papers reflecting the international trends of research and development, and on special topics reporting progress made in the field of optoelectronics. All published papers will reflect the original thoughts of researchers and practitioners on basic theories, design and new technology in optoelectronics. Frontiers of Optoelectronics is strictly peer-reviewed and only accepts original submissions in English. It is a fully OA journal and the APCs are covered by Higher Education Press and Huazhong University of Science and Technology. ● Presents the latest developments in optoelectronics and optics ● Emphasizes the latest developments of new optoelectronic materials, devices, systems and applications ● Covers industrial photonics, information photonics, biomedical photonics, energy photonics, laser and terahertz technology, and more
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