Polarization Manipulation Algorithm for Random Number Generation in Dual Mach-Zehnder Interferometer

HUANG Wei-wei; ZHANG Zhi-yong; SHAO Li-yang

doi:10.13756/j.gtxyj.2016.05.003

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Polarization Manipulation Algorithm for Random Number Generation in Dual Mach-Zehnder Interferometer

- Polarization Manipulation Algorithm for Random Number Generation in Dual Mach-Zehnder Interferometer
- Study on Optical communication Issue 5, Pages: 8-11(2016)
- 作者机构：
  
  西南交通大学信息光子与通信研究中心
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2016.05.003
  CLC： TH744.3
- Published：2016，
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[1]黄微卫,张志勇,邵理阳.双M-Z光纤干涉仪中随机生成数偏振控制算法[J].光通信研究,2016(05):8-11+74.

HUANG Wei-wei, ZHANG Zhi-yong, SHAO Li-yang. Polarization Manipulation Algorithm for Random Number Generation in Dual Mach-Zehnder Interferometer. [J]. (5):8-11(2016)
[1]黄微卫,张志勇,邵理阳.双M-Z光纤干涉仪中随机生成数偏振控制算法[J].光通信研究,2016(05):8-11+74. DOI： 10.13756/j.gtxyj.2016.05.003.

HUANG Wei-wei, ZHANG Zhi-yong, SHAO Li-yang. Polarization Manipulation Algorithm for Random Number Generation in Dual Mach-Zehnder Interferometer. [J]. (5):8-11(2016) DOI： 10.13756/j.gtxyj.2016.05.003.

摘要

采用基于两路检测信号相关系数的随机生成数算法

通过偏振控制器对输入偏振态进行调节

解决了双M-Z（马赫-曾德）光纤传感系统中出现的偏振相位偏移问题

改善了两路检测信号的相关性。对随机生成数算法的可行性及其3个重要参数进行了分析讨论。实验结果表明

算法执行5min可搜索到邦加球的绝大部分区域

具备全局搜索能力

并且通过合理地设置随机生成数算法的参数

可使系统在3min左右搜索到偏振态的最佳位置

使两路检测信号的相关系数保持在0.9左右

恢复两路检测信号的良好相关性。

Abstract

Random number generation algorithm based on correlation between two channels is adopted.The proposed method eliminates the phase shift in dual Mach-Zehnder（M-Z）fiber sensing system through manipulating the polarization of the input

and improves the correlation of the signals.The feasibility of the generation algorithm and three corresponding parameters are theoretically analyzed.The experimental results indicate that most area of the Poincare sphere can be swept in 5 min.Meanwhile

the optimal position of the polarization can be searched in 3min.Subsequently

the correlation of the signals is improved with a correlation coefficient of 0.9.

关键词

双马赫-曾德干涉仪相关系数随机生成数算法偏振控制

Keywords

dual M-Z interferometercorrelation coefficientrandom number generation algorithmpolarization manipulation

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