Switching and transformation of multi-state solitons in thulium-doped fiber laser based on nonlinear polarization rotation

IF 2.6 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2024-10-01 DOI:10.1016/j.yofte.2024.103991

Yingying Li , Bo Gao , Ying Han , Luyao Zhou , Honglin Wen , Qi Li , He Di , Ge Wu , Lie Liu , Jiayu Huo

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引用次数: 0

Abstract

Thulium-doped fiber (TDF) lasers are considered ideal platforms for studying 2 µm passively mode-locked fiber lasers. However, previous research primarily focused on soliton generation in TDF lasers, overlooking the switching and transformation between solitons in various states. This paper investigates the switching and transformation of multi-state solitons in TDF lasers based on nonlinear polarization rotation. By properly adjusting the pump power and polarization controller, we observe the switching and transformation between conventional soliton and bound state soliton, between soliton clusters and dual-wavelength soliton. The results were achieved using a simple structure (utilizing only one polarization controller) that exhibited superior repeatability and simplicity compared to a complex configuration (two polarization controllers). The experimental observation of the switching and transformation of multi-state solitons not only provides a deeper understanding of the dynamics of solitons in TDF lasers but also contributes to the design of multifunctional fiber lasers. This is significant for promoting the application of 2 µm fiber lasers.

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基于非线性偏振旋转的掺铥光纤激光器中多态孤子的切换和转换

掺铥光纤（TDF）激光器被认为是研究 2 µm 被动模式锁定光纤激光器的理想平台。然而，以往的研究主要集中于 TDF 激光器中孤子的产生，忽略了不同状态孤子之间的切换和转换。本文研究了基于非线性偏振旋转的 TDF 激光器中多态孤子的切换和转换。通过适当调节泵浦功率和偏振控制器，我们观察到了传统孤子与束缚态孤子、孤子簇与双波长孤子之间的切换和变换。与复杂配置（两个偏振控制器）相比，使用简单结构（仅使用一个偏振控制器）获得的结果具有更高的可重复性和简易性。对多态孤子的切换和转换的实验观察不仅加深了对 TDF 激光器中孤子动力学的理解，而且有助于多功能光纤激光器的设计。这对促进 2 µm 光纤激光器的应用意义重大。

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

Optical Fiber Technology 工程技术-电信学

CiteScore

4.80

自引率

11.10%

发文量

327

审稿时长

63 days

期刊介绍： Innovations in optical fiber technology are revolutionizing world communications. Newly developed fiber amplifiers allow for direct transmission of high-speed signals over transcontinental distances without the need for electronic regeneration. Optical fibers find new applications in data processing. The impact of fiber materials, devices, and systems on communications in the coming decades will create an abundance of primary literature and the need for up-to-date reviews. Optical Fiber Technology: Materials, Devices, and Systems is a new cutting-edge journal designed to fill a need in this rapidly evolving field for speedy publication of regular length papers. Both theoretical and experimental papers on fiber materials, devices, and system performance evaluation and measurements are eligible, with emphasis on practical applications.