Characteristics of Reflection Spectrum of Brillouin Dynamic Grating in Single Mode Fibers

doi:10.3788/gzxb20215007.0706005

IR > 理学院

	Characteristics of Reflection Spectrum of Brillouin Dynamic Grating in Single Mode Fibers
	Lai Junchi; Hou Shanglin; Lei Jingli; Li Xiaoxiao
	2021-07
发表期刊	ACTA PHOTONICA SINICA
ISSN	1004-4213
卷号	50 期号:7
摘要	The Brillouin dynamic grating model is developed based on the stimulated Brillouin scattering and elastic acoustic theory. The reflection spectrum of the Brillouin dynamic grating is calculated based on the fiber Bragg grating theory, and it is demonstrated that the Bragg wavelength downshifts by Brillouin frequency shift equals the Doppler frequency shift. The reflectivity and the spectral width are calculated when the pump power ranges from 0.1 W to 30 W , the pulse width ranges from 2 ns to 10 ns and the core diameter of a single mode fiber ranges from 8 mu m to 10 mu m. When the power increases to 30 W and the pump pulse width reaches 10 ns, the peak reflectivity is 2.17 x 10(-6) and 7.16 x 10(-9), respectively. The spectral width of the reflection spectrum decreases with the increase of pulse width. When the pulse width is 10 ns, the minimum spectral width is 1.2x 10(-4) nm. When the fiber core diameter decreases to 8 mu m, the peak reflectivity increases to 6.64x10(-11). The results show that the reflectivity of the Brillouin dynamic grating is positive correlation with the power and the pulse width of the pump wave, but it is negative correlation with the core diameter of optical fiber. The spectral width of the reflection spectrum is not affected by the power of the pump wave and the diameter of the fiber core, but it is negative correlation with the pulse width.
关键词	Stimulated Brillouin scattering Single mode fiber Reflection spectrum Fiber grating Brillouin dynamic grating
DOI	10.3788/gzxb20215007.0706005
收录类别	ESCI ; EI ; SCOPUS ; 北大核心 ; CSCD
语种	英语
WOS研究方向	Optics
WOS类目	Optics
WOS记录号	WOS:000693998300006
出版者	SCIENCE PRESS
EI入藏号	20213110707045
EI主题词	Single mode fibers
EI分类号	741.1 Light/Optics - 741.1.2 Fiber Optics
来源库	WOS
引用统计	无
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/148646
专题	理学院
通讯作者	Hou Shanglin
作者单位	Lanzhou Univ Technol, Sch Sci, Lanzhou 730050, Peoples R China
第一作者单位	理学院
通讯作者单位	理学院
第一作者的第一单位	理学院
推荐引用方式 GB/T 7714	Lai Junchi,Hou Shanglin,Lei Jingli,et al. Characteristics of Reflection Spectrum of Brillouin Dynamic Grating in Single Mode Fibers[J]. ACTA PHOTONICA SINICA,2021,50(7).
APA	Lai Junchi,Hou Shanglin,Lei Jingli,&Li Xiaoxiao.(2021).Characteristics of Reflection Spectrum of Brillouin Dynamic Grating in Single Mode Fibers.ACTA PHOTONICA SINICA,50(7).
MLA	Lai Junchi,et al."Characteristics of Reflection Spectrum of Brillouin Dynamic Grating in Single Mode Fibers".ACTA PHOTONICA SINICA 50.7(2021).