光学差分参量放大布里渊时域分析优化研究

秦祖军; 梁国令; 张文涛; 叶松; 熊显名

doi:10.7510/jgjs.issn.1001-3806.2016.02.017

光学差分参量放大布里渊时域分析优化研究

1.
桂林电子科技大学电子工程与自动化学院, 桂林 541004;
2.
桂林电子科技大学广西信息科学实验中心, 桂林 541004;
3.
桂林电子科技大学广西自动检测技术与仪器重点实验室, 桂林 541004

作者简介: 秦祖军(1978-),男,博士,现主要从事非线性光纤光学的研究。E-mail:junqinzu@sina.com.

基金项目:
广西自然科学基金资助项目(2013GXNSFBA019269;2014GXNSFAA118389);桂林电子科技大学广西信息科学实验中心资助项目(20130382);广西自动检测技术与仪器重点实验室资助项目(YQ14107)
中图分类号: O437;TP212.1⁺4

Optimization of Brillouin optical time-domain analysis based on optical differential parametric amplification

1.
School of Electronic Engineering and Automation, Guilin University of Electronic Technology, Guilin 541004, China;
2.
Guangxi Experiment Center of Information Science, Guilin University of Electronic Technology, Guilin 541004, China;
3.
Guangxi Key Laboratory of Automatic Detecting Technology and Instruments, Guilin University of Electronic Technology, Guilin 541004, China
CLC number: O437;TP212.1⁺4

摘要: 为了优化设计基于光学差分参量放大的布里渊光时域分析抽运的脉冲编码形式以及斯托克斯光与反斯托克斯光脉宽差,采用微扰法和小信号近似法,获得了探测光与斯托克斯光脉冲、反斯托克斯光脉冲在较小作用区域内的脉冲响应,对其性能进行了理论分析与数值验证。结果表明,相位斯托克斯光脉冲可有效压缩布里渊增益谱宽,提高布里渊信号信噪比;当斯托克斯光与反斯托克斯光传感脉冲脉宽差为8ns时,探测光布里渊增益最大。这一结果对进一步分析基于光学差分参量放大的布里渊光时域分析系统性能以及开展相关实验研究是有帮助的。
- 光纤光学 /
- 优化设计 /
- 微扰法与小信号近似法 /
- 布里渊光时域分析
Abstract: In order to optimize pump pulse formats of Brillouin optical time-domain analysis based on optical differential parametric amplification (ODPA-BOTDA) and pulse-width difference between Stokes pulse and anti-Stokes pulse, by using perturbation method and small signal approximation, pulse response of probe light with Stokes and anti-Stokes pulses in the small region was obtained. After theoretical analysis and numerical verification of the performances, the results show that Stokes pulse with -phase can effectively compress Brillouin gain spectrum width and increase Brillouin signal-to-noise ratio. Meanwhile, the maximum Brillouin gain is achieved when an optimized pulse-width is 8ns. The study would be helpful for the investigation of ODPA-BOTDA in the subsequent research.
- fiber optics /
- optimization design /
- perturbation method and small signal approximation /
- Brillouin optical time-domain analysis

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光学差分参量放大布里渊时域分析优化研究

作者简介: 秦祖军(1978-),男,博士,现主要从事非线性光纤光学的研究。E-mail:junqinzu@sina.com.

Optimization of Brillouin optical time-domain analysis based on optical differential parametric amplification

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光学差分参量放大布里渊时域分析优化研究

作者简介: 秦祖军(1978-),男,博士,现主要从事非线性光纤光学的研究。E-mail:junqinzu@sina.com

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Optimization of Brillouin optical time-domain analysis based on optical differential parametric amplification

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光学差分参量放大布里渊时域分析优化研究

作者简介: 秦祖军(1978-),男,博士,现主要从事非线性光纤光学的研究。E-mail:junqinzu@sina.com.

Optimization of Brillouin optical time-domain analysis based on optical differential parametric amplification

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光学差分参量放大布里渊时域分析优化研究

作者简介: 秦祖军(1978-),男,博士,现主要从事非线性光纤光学的研究。E-mail:junqinzu@sina.com

English Abstract

Optimization of Brillouin optical time-domain analysis based on optical differential parametric amplification

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目录