中国物理B ›› 2008, Vol. 17 ›› Issue (3): 1020-1024.doi: 10.1088/1674-1056/17/3/045

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Photonic crystal fibre Brillouin laser based on Bragg grating Fabry--Perot cavity

耿丹, 杨冬晓, 沈国锋, 章献民   

  1. Department of Information & Electronic Engineering, Zhejiang University, Hangzhou 310027, China
  • 收稿日期:2007-03-19 修回日期:2007-04-13 出版日期:2008-03-04 发布日期:2008-03-04
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant Nos 60577028, 60407011 and 60177025) and the Research Fund for the Doctoral Program of Higher Education, China.

Photonic crystal fibre Brillouin laser based on Bragg grating Fabry--Perot cavity

Geng Dan(耿丹), Yang Dong-Xiao(杨冬晓)†, Shen Guo-Feng(沈国锋), and Zhang Xian-Min(章献民)   

  1. Department of Information & Electronic Engineering, Zhejiang University, Hangzhou 310027, China
  • Received:2007-03-19 Revised:2007-04-13 Online:2008-03-04 Published:2008-03-04
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos 60577028, 60407011 and 60177025) and the Research Fund for the Doctoral Program of Higher Education, China.

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摘要： A photonic crystal fibre Brillouin laser based on fibre Bragg grating Fabry--Perot cavity is presented. A highly nonlinear photonic crystal fibre 25\,m in length is used as Brillouin gain medium and fibre Bragg grating Fabry--Perot cavity is chosen in order to enhance the laser conversion efficiency and suppress the higher-order Stokes waves. The laser reaches the threshold at input power of 35\,mW, and the experimental laser conversion efficiency achieves 18{\%} of the input power of 140\,mW and does not show higher-order Stokes waves. A photonic crystal fibre Brillouin laser with shorter fibre length and lower threshold is experimentally realized.

关键词: photonic crystal fibre, two-frequency laser, stimulated Brillouin scattering

Abstract: A photonic crystal fibre Brillouin laser based on fibre Bragg grating Fabry--Perot cavity is presented. A highly nonlinear photonic crystal fibre 25 m in length is used as Brillouin gain medium and fibre Bragg grating Fabry--Perot cavity is chosen in order to enhance the laser conversion efficiency and suppress the higher-order Stokes waves. The laser reaches the threshold at input power of 35 mW, and the experimental laser conversion efficiency achieves 18% of the input power of 140 mW and does not show higher-order Stokes waves. A photonic crystal fibre Brillouin laser with shorter fibre length and lower threshold is experimentally realized.

Key words: photonic crystal fibre, two-frequency laser, stimulated Brillouin scattering

中图分类号:  (Photonic crystal lasers and coherent effects)

  • 42.55.Tv
42.55.Wd (Fiber lasers) 42.60.Jf (Beam characteristics: profile, intensity, and power; spatial pattern formation) 42.70.Mp (Nonlinear optical crystals) 42.79.Dj (Gratings)