Proving the Half-wave Loss with Linear Optical Fiber Devices

SUN Shi-ju; MA Hai-qiang

doi:10.13756/j.gtxyj.2020.06.012

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Proving the Half-wave Loss with Linear Optical Fiber Devices

- Proving the Half-wave Loss with Linear Optical Fiber Devices
- Study on Optical communication Issue 6, Pages: 45-48(2020)
- 作者机构：
  
  1. 北京电子科技职业学院机电工程学院
  2. 北京邮电大学理学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.06.012
  CLC： TN253
- Published：2020，
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[1]孙世菊,马海强.用线性光纤器件验证光的半波损失[J].光通信研究,2020(06):45-48.

SUN Shi-ju, MA Hai-qiang. Proving the Half-wave Loss with Linear Optical Fiber Devices. [J]. (6):45-48(2020)
[1]孙世菊,马海强.用线性光纤器件验证光的半波损失[J].光通信研究,2020(06):45-48. DOI： 10.13756/j.gtxyj.2020.06.012.

SUN Shi-ju, MA Hai-qiang. Proving the Half-wave Loss with Linear Optical Fiber Devices. [J]. (6):45-48(2020) DOI： 10.13756/j.gtxyj.2020.06.012.

摘要

针对验证光半波损失问题

文章提出了一种验证光半波损失的方案并进行了详细的理论推导和实验验证。该方案采用琼斯矩阵进行计算

分析了光场量子态的变化

计算了光在通过两种Sagnac干涉环后的出射情况

进而得到相位的π变化方案。该方案实验装置借助了由X型耦合器组成的Sagnac干涉环和附加偏振分束器与法拉第旋转镜组成的改进型Sagnac干涉环。实验结果表明

该方案结构简单

现象结果明显

得到的干涉对比度均达99%以上。

Abstract

Here we propose a new scheme to testify the half-wave loss through both theory and experimental demonstration. The scheme uses Jones matrix to analyze the transforming of optical state and calculates the outputs of two different kinds of Sagnac interferometers after light propagation. The results clearly show a π phase shift in a Faraday mirror. It is noted that the structure is simple since the structure is based on a developed Sagnac interferometer and some commercial optical components such as X type coupler

polarization beam splinter

Faraday mirror. The experimental results also indicate that the interference phenomenon is obvious

with interference contrast as high as 99%.

关键词

半波损失Sagnac干涉环琼斯矩阵偏振分束器法拉第旋转镜

Keywords

half-wave lossSagnac interferometerJones matrixpolarization beam splinterFaraday mirror

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