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

doi:10.1088/1674-1056/23/12/124208

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.

Keywords: stimulated Brillouin scattering frequency modulation interferometric fiber sensing

Received: 24 May 2014
Revised: 16 August 2014
Accepted manuscript online:

PACS:	42.65.Es	(Stimulated Brillouin and Rayleigh scattering)
	78.35.+c	(Brillouin and Rayleigh scattering; other light scattering)

Fund: Project supported by the National Natural Science Foudation of China (Grant No. 6177073).

Corresponding Authors: Meng Zhou
E-mail: zhoumeng6806@163.com

Cite this article:

Hu Xiao-Yang (胡晓阳), Chen Wei (陈伟), Tu Xiao-Bo (涂晓波), Meng Zhou (孟洲) A simple model of suppressing stimulated Brillouin scattering in optical fiber with frequency-modulated laser 2014 Chin. Phys. B 23 124208


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

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