A Yb-doped self-sweeping fiber laser with intensity dynamics control

IF 2.7 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Optical Fiber Technology Pub Date : 2025-08-25 DOI:10.1016/j.yofte.2025.104376

Aleksandr A. Krivonosov , Alina Yu. Tkachenko , Nikita R. Poddubrovskii

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引用次数: 0

Abstract

A Yb-doped sigma-cavity self-sweeping fiber laser has been developed. It was demonstrated that the intensity dynamics can be controlled via changing the radiation direction in the ring part of the cavity. A continuous-wave (CW) self-sweeping operation was obtained for the case of co-propagating pump and generation radiation. In turn, for the configuration with counter-propagating pump and generation radiation a transition from CW to pulsed intensity dynamics with pump power increase was demonstrated for the first time. The generation occurred near the central wavelengths of 1082–1083 nm with the sweeping range varying from 0.1 to 0.5 nm for co– and counter-propagating pump and generation radiation, respectively. It was demonstrated that the intensity dynamics retain the properties typical for CW self-sweeping even in the case of μs-long pulses generation. New criteria for the characterization of the self-sweeping fiber lasers intensity dynamics were proposed. The results obtained can be used for development and characterization of self-sweeping lasers.

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一种强度动态控制的掺镱自扫光纤激光器

研制了一种掺镱sigma腔自扫光纤激光器。结果表明，可以通过改变腔内环形部分的辐射方向来控制强度动态。在泵浦与产生辐射共传播的情况下，获得了连续波自扫操作。反过来，对于具有反传播泵浦和产生辐射的配置，首次证明了随泵浦功率增加从连续波到脉冲强度的转变动力学。产生发生在1082 ~ 1083 nm的中心波长附近，共传播和反向传播的泵浦辐射和产生辐射的扫描范围分别为0.1 ~ 0.5 nm。结果表明，即使在μs长脉冲产生的情况下，强度动力学仍然保持了连续波自扫的特性。提出了表征自扫光纤激光器强度动态特性的新准则。所得结果可用于研制和表征自扫激光器。

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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.