Photonics Research, Volume. 13, Issue 6, 1631(2025)

Origin of SBS-induced mode distortion in high power narrow linewidth fiber amplifiers

Yu Wen1、†, Chun Zhang1、†, Yuan Zhu1,2, Zixiang Gao1, Xingchen Jiang1, Rumao Tao1,3、*, Qiuhui Chu1,4、*, Qiang Shu1, Fengyun Li1, Haoyu Zhang1, Honghuan Lin1, Zhitao Peng1, and Jianjun Wang1
Author Affiliations
  • 1Laser Fusion Research Center, China Academy of Engineering Physics, Mianyang 621900, China
  • 2College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • 3e-mail: supertaozhi@163.com
  • 4e-mail: chuqiuhui@163.com
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    References(32)

    [4] P. Zhou, P. Ma, S. Ren. High-power narrow linewidth fiber laser: progress and prospect. Inf. Countermeas. Technol., 2, 16-36(2023).

    [6] F. Möller, R. G. Krämer, C. Matzdorf. Multi-kW performance analysis of Yb-doped monolithic single-mode amplifier and oscillator setup. Proc. SPIE, 10897, 108970D(2019).

    [7] S. Ren, P. Ma, Y. Chen. 5 kW-level narrow linewidth fiber laser output realized by homemade polarization-maintained fiber. Infrared Laser Eng., 52, 20220900(2023).

    [13] R. Tao, Y. Liu, L. Xie. Simple one-step-tapering 20 μm-to-50 μm monolithic MFA for long-distance high-power laser transmission applications. Conference on Lasers and Electro-Optics, AW4D.4(2021).

    [16] H. Ma, X. Yuan, Y. Zhang. A novel measurement scheme of the polarization extinction ratio. Proc. SPIE, 9621, 962108(2015).

    [24] M. D. Mermelstein. Distributed light scattering model for the SBS and SRS threshold powers in small and large mode area passive optical fibers. Proc. SPIE, 8237, 82371A(2012).

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    Yu Wen, Chun Zhang, Yuan Zhu, Zixiang Gao, Xingchen Jiang, Rumao Tao, Qiuhui Chu, Qiang Shu, Fengyun Li, Haoyu Zhang, Honghuan Lin, Zhitao Peng, Jianjun Wang, "Origin of SBS-induced mode distortion in high power narrow linewidth fiber amplifiers," Photonics Res. 13, 1631 (2025)

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Jan. 23, 2025

    Accepted: Mar. 26, 2025

    Published Online: May. 26, 2025

    The Author Email: Rumao Tao (supertaozhi@163.com), Qiuhui Chu (chuqiuhui@163.com)

    DOI:10.1364/PRJ.557887

    CSTR:32188.14.PRJ.557887

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