Ultrafast Polarization Control based on Fast Phase Modulator

ZHANG Li; PU Guo-qing; YI Li-lin

doi:10.13756/j.gtxyj.2020.02.009

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Ultrafast Polarization Control based on Fast Phase Modulator

- Ultrafast Polarization Control based on Fast Phase Modulator
- Study on Optical communication Issue 2, Pages: 40-43(2020)
- 作者机构：
  
  上海交通大学区域光纤通信网与新型光通信系统国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2020.02.009
  CLC： TN761;TN929.11
- Published：2020，
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[1]张力,蒲国庆,义理林.基于高速相位调制器的超快偏振控制[J].光通信研究,2020(02):40-43+56.

ZHANG Li, PU Guo-qing, YI Li-lin. Ultrafast Polarization Control based on Fast Phase Modulator. [J]. (2):40-43(2020)
[1]张力,蒲国庆,义理林.基于高速相位调制器的超快偏振控制[J].光通信研究,2020(02):40-43+56. DOI： 10.13756/j.gtxyj.2020.02.009.

ZHANG Li, PU Guo-qing, YI Li-lin. Ultrafast Polarization Control based on Fast Phase Modulator. [J]. (2):40-43(2020) DOI： 10.13756/j.gtxyj.2020.02.009.

摘要

在现代光通信系统中

快响应速度的偏振控制在如扰偏和稳偏等技术的相关研究中有着极大的需求。然而

目前的偏振控制器由于材料和结构等因素的影响

响应速度最快只能在ns级别

这成为偏振相关研究的主要瓶颈。文章介绍了一种基于商用低速电控偏振控制器和高速相位调制器的新型光学结构来实现超快的偏振控制。实验验证并分析了两个正交光场分量在振幅差缓慢变化和相位差快速变化同时进行的情况下

庞加莱球上的偏振态变化轨迹。实验结果表明

此方法大大提高了偏振控制的响应速度

为更好性能的扰偏和稳偏技术提供了有力的支持。

Abstract

Polarization control with fast response speed is highly desired in optical communication systems

such as in related studies of polarization scrambling and polarization stabilization. However

due to the influence of materials and structure

current polarization controller can only reach nanoseconds at the fastest

which becomes the main bottleneck of polarization-related research. In this paper

a novel optical structure based on low-speed electronic polarization controller and high-speed phase modulator is introduced to realize ultrafast polarization control. The changing trajectory of polarization state on Poincare Sphere caused by slow amplitude difference change and simultaneous fast phase difference change of two orthogonal projects is demonstrated and analyzed experimentally. This method greatly improves the response speed of polarization control and provides strong support for better performance of the polarization scrambling and polarization stabilization.

关键词

超快偏振控制扰偏偏振控制器相位调制器

Keywords

ultrafast polarization controlpolarization scramblingpolarization controllerphase modulator

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Related Institution

Department of Computer and Communication Engineering

Tianjin University of Technology

Lab.of Film Electronics and Communication Devices of Tianjin

College of Information Science and Technology,Institute of modern optics,Nankai University

College of Instrumentation Science and Optoelectronics Engineering,Beijing University of Aeronautics and Astronautics

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