| 光纤通信中偏振光消光比测量方法的研究 |
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| 引用本文： | 赵素英,王绪峦,张宁伟,刘霖,叶玉堂. 光纤通信中偏振光消光比测量方法的研究[J]. 红外, 2007, 28(9): 25-28,46 |
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| 作者姓名： | 赵素英 王绪峦 张宁伟 刘霖 叶玉堂 |
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| 作者单位： | 电子科技大学光电信息学院,四川,成都,610054;电子科技大学光电信息学院,四川,成都,610054;电子科技大学光电信息学院,四川,成都,610054;电子科技大学光电信息学院,四川,成都,610054;电子科技大学光电信息学院,四川,成都,610054 |
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| 摘 要： | 本文对比了光纤通信系统中偏振光消光比特性参数的两种测量方法:旋转偏振器测量法和庞加莱球测量法.旋转偏振器法是通过用高速旋转的起偏器获取所需光功率来实现消光比的直接测量的;庞加莱球法则是根据偏振光的斯托克斯分量间接计算消光比的.前者的物理特性及原理直观,易于操作,但测量不稳定,且对传输波长有一定依赖性;后者物理特性相对抽象,系统相对复杂,但稳定性较高.
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| 关 键 词： | 偏振光 消光比 庞加莱球 |
| 文章编号： | 1672-8785（2007）09-0025-04 |
| 修稿时间： | 2007-03-27 |
Polarization Extinction Ratio Measurement in Optical Communication Systems |
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| ZHAO Su-ying,WANG Xu-luan,ZHANG Ning-wei,LIU Ling,YE Yu-tang. Polarization Extinction Ratio Measurement in Optical Communication Systems[J]. Infrared, 2007, 28(9): 25-28,46 |
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| Authors: | ZHAO Su-ying WANG Xu-luan ZHANG Ning-wei LIU Ling YE Yu-tang |
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| Affiliation: | School of Opto-electronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China |
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| Abstract: | Two methods for measuring the Polarization Extinction Ratio (PER) of polarized light in optical communication systems-Rotating Polarizer Method (RPM) and Poincare Sphere Method (PSM) are compared with each other.The RPM method directly measures the polarization extinction ratio by using a high-speed rotating polarizer to detect the required light power and the PSM method indirectly calculates the polarization extinction ratio according to the Stokes parameters of the polarized light.The former method is intuitionistic and easy to operate,but is not stable and has dependence on the wavelength.The latter method is relatively abstracted and complicated,but is more stable, |
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| Keywords: | polarized light polarization extinction ratio poincare sphere |
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