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Photonics Research, Volume. 5, Issue 2, 77(2017)

Experimental demonstration of transverse mode instability enhancement by a counter-pumped scheme in a 2  kW all-fiberized laser

Zebiao Li1,2, Zhihua Huang2, Xiaoyu Xiang2, Xiaobao Liang2, Honghuan Lin2, Shanhui Xu1,3,4, Zhongmin Yang1,3,4、*, Jianjun Wang2, and Feng Jing2
Author Affiliations
  • 1State Key Laboratory of Luminescent Materials and Devices and Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510640, China
  • 2Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
  • 3Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510640, China
  • 4Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, South China University of Technology, Guangzhou 510640, China
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    [1] T. Eidam, C. Wirth, C. Jauregui, F. Stutzki, F. Jansen, H. J. Otto, O. Schmidt, T. Schreiber, J. Limpert, A. Tunnermann. Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers. Opt. Express, 19, 13218-13224(2011).

    [2] C. Jauregui, T. Eidam, J. Limpert, A. Tunnermann. The impact of modal interference on the beam quality of high-power fiber amplifiers. Opt. Express, 19, 3258-3271(2011).

    [3] A. V. Smith, J. J. Smith. Mode instability in high power fiber amplifiers. Opt. Express, 19, 10180-10192(2011).

    [4] K. R. Hansen, T. T. Alkeskjold, J. Broeng, J. Laegsgaard. Thermally induced mode coupling in rare-Earth doped fiber amplifiers. Opt. Lett., 37, 2382-2384(2012).

    [5] L. Dong. Stimulated thermal Rayleigh scattering in optical fibers. Opt. Express, 21, 2642-2656(2013).

    [6] C. Jauregui, J. Limpert, A. Tunnermann. High-power fibre lasers. Nat. Photonics, 7, 861-867(2013).

    [7] C. Jauregui, H. J. Otto, F. Stutzki, F. Jansen, J. Limpert, A. Tunnermann. Passive mitigation strategies for mode instabilities in high-power fiber laser systems. Opt. Express, 21, 19375-19386(2013).

    [8] R. Tao, P. Ma, X. Wang, P. Zhou, Z. Liu. 1.3  kW monolithic linearly polarized single-mode master oscillator power amplifier and strategies for mitigating mode instabilities. Photon. Res., 3, 86-93(2015).

    [9] A. V. Smith, J. J. Smith. Increasing mode instability thresholds of fiber amplifiers by gain saturation. Opt. Express, 21, 15168-15182(2013).

    [10] K. R. Hansen, J. Laegsgaard. Impact of gain saturation on the mode instability threshold in high-power fiber amplifiers. Opt. Express, 22, 11267-11278(2014).

    [11] C. Jauregui, H.-J. Otto, S. Breitkopf, J. Limpert, A. Tunnermann. Optimizing high-power Yb-doped fiber amplifier systems in the presence of transverse mode instabilities. Opt. Express, 24, 7879-7892(2016).

    [12] C. X. Yu, O. Shatrovoy, T. Y. Fan. All-glass fiber amplifier pumped by ultrahigh brightness pump. Proc. SPIE, 9728, 972806(2016).

    [13] S. Naderi, I. Dajani, J. Grosek, T. Madden. Theoretical and numerical treatment of modal instability in high-power core and cladding-pumped Raman fiber amplifiers. Opt. Express, 24, 16550-16565(2016).

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    Zebiao Li, Zhihua Huang, Xiaoyu Xiang, Xiaobao Liang, Honghuan Lin, Shanhui Xu, Zhongmin Yang, Jianjun Wang, Feng Jing. Experimental demonstration of transverse mode instability enhancement by a counter-pumped scheme in a 2  kW all-fiberized laser[J]. Photonics Research, 2017, 5(2): 77

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    Paper Information

    Category: Nonlinear Optics

    Received: Nov. 24, 2016

    Accepted: Jan. 9, 2017

    Published Online: Oct. 10, 2018

    The Author Email: Zhongmin Yang (yangzm@scut.edu.cn)

    DOI:10.1364/PRJ.5.000077

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology