Photonic Sensors

, Volume 7, Issue 1, pp 82–87 | Cite as

Powerful narrow linewidth random fiber laser

  • Jun Ye
  • Jiangming Xu
  • Hanwei Zhang
  • Pu ZhouEmail author
Open Access


In this paper, we demonstrate a narrow linewidth random fiber laser, which employs a tunable pump laser to select the operating wavelength for efficiency optimization, a narrow-band fiber Bragg grating (FBG) and a section of single mode fiber to construct a half-open cavity, and a circulator to separate pump light input and random lasing output. Spectral linewidth down to 42.31 GHz is achieved through filtering by the FBG. When 8.97 W pump light centered at the optimized wavelength 1036.5 nm is launched into the half-open cavity, 1081.4 nm random lasing with the maximum output power of 2.15 W is achieved, which is more powerful than the previous reported results.


Random fiber laser distributed feedback Rayleigh scattering Raman scattering 


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Copyright information

© The Author(s) 2016

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • Jun Ye
    • 1
    • 2
  • Jiangming Xu
    • 1
    • 2
  • Hanwei Zhang
    • 1
    • 2
  • Pu Zhou
    • 1
    • 2
    Email author
  1. 1.College of Optoelectronic Science and EngineeringNational University of Defense TechnologyChangshaChina
  2. 2.Hunan Provincial Collaborative Innovation Center of High Power Fiber LaserChangshaChina

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