›› 2014, Vol. 23 ›› Issue (12): 124208-124208.doi: 10.1088/1674-1056/23/12/124208

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

A simple model of suppressing stimulated Brillouin scattering in optical fiber with frequency-modulated laser

胡晓阳, 陈伟, 涂晓波, 孟洲   

  1. Department of Optic Information Science and Technology, College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
  • 收稿日期:2014-05-24 修回日期:2014-08-16 出版日期:2014-12-15 发布日期:2014-12-15
  • 基金资助:
    Project supported by the National Natural Science Foudation of China (Grant No. 6177073).

A simple model of suppressing stimulated Brillouin scattering in optical fiber with frequency-modulated laser

Hu Xiao-Yang (胡晓阳), Chen Wei (陈伟), Tu Xiao-Bo (涂晓波), Meng Zhou (孟洲)   

  1. Department of Optic Information Science and Technology, College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073, China
  • Received:2014-05-24 Revised:2014-08-16 Online:2014-12-15 Published:2014-12-15
  • Contact: Meng Zhou E-mail:zhoumeng6806@163.com
  • Supported by:
    Project supported by the National Natural Science Foudation of China (Grant No. 6177073).

摘要: A simple model is developed to study the mechanism of stimulated Brillouin scattering (SBS) suppression with frequency-modulated laser in optical fiber. By taking into account the laser frequency distribution along the fiber induced by frequency modulation, the average effective Brillouin gain is calculated to determine the SBS threshold. Experimental results show agreement with the numerical analysis. The application for SBS suppression in interferometric fiber sensing system is also discussed in this paper. The results show that the maximum input power can be increased effectively by frequency modulation method.

关键词: stimulated Brillouin scattering, frequency modulation, interferometric fiber sensing

Abstract: A simple model is developed to study the mechanism of stimulated Brillouin scattering (SBS) suppression with frequency-modulated laser in optical fiber. By taking into account the laser frequency distribution along the fiber induced by frequency modulation, the average effective Brillouin gain is calculated to determine the SBS threshold. Experimental results show agreement with the numerical analysis. The application for SBS suppression in interferometric fiber sensing system is also discussed in this paper. The results show that the maximum input power can be increased effectively by frequency modulation method.

Key words: stimulated Brillouin scattering, frequency modulation, interferometric fiber sensing

中图分类号:  (Stimulated Brillouin and Rayleigh scattering)

  • 42.65.Es
78.35.+c (Brillouin and Rayleigh scattering; other light scattering)