Design and simulation of a single MZI-based DQPSK demodulator

Yuan Chen1; Ma Weidong1; Zhou Tianhong1; Jiang Xiong1

doi:10.13756/j.gtxyj.2011.05.005

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Design and simulation of a single MZI-based DQPSK demodulator

- Design and simulation of a single MZI-based DQPSK demodulator
- Study on Optical communication Issue 5, Pages: 31-34(2011)
- 作者机构：
  
  1. 光纤通信技术和网络国家重点实验室
  2. 武汉光迅科技股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2011.05.005
  CLC： TN763
- Published：2011，
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[1]袁晨,马卫东,周天宏,江雄.单个MZI型DQPSK解调器的设计与仿真[J].光通信研究,2011(05):31-34.

Yuan Chen1, Ma Weidong1, Zhou Tianhong1, et al. Design and simulation of a single MZI-based DQPSK demodulator. [J]. (5):31-34(2011)
[1]袁晨,马卫东,周天宏,江雄.单个MZI型DQPSK解调器的设计与仿真[J].光通信研究,2011(05):31-34. DOI： 10.13756/j.gtxyj.2011.05.005.

Yuan Chen1, Ma Weidong1, Zhou Tianhong1, et al. Design and simulation of a single MZI-based DQPSK demodulator. [J]. (5):31-34(2011) DOI： 10.13756/j.gtxyj.2011.05.005.

摘要

文章采用91μm厚的石英半波片来降低器件的PDFS（偏振相关频率漂移）

在放置半波片位置采用优化的楔形波导结构

将插入半波片带来的附加损耗降至0.41 dB。并通过广角三维光束传输法

对DQPSK（差分正交相移键控）解调器在C波段进行了仿真。结果表明:采用这种结构设计出的器件具有低插损值和高消光比。

Abstract

In this paper

we reduce the Polarization-Dependent-Frequency Shift（PDFS） of the DQPSK demodulator with a 91 μm-thick quartz half-wave plate.Using the optimized tapered waveguide structure at the wave-plate

we reduce the additional loss brought about by the inserted half-wave plate to 0.41 dB and simulate the demodulator in the C-band.The results show that demodulators with such a structure have low insertion loss and high extinction ratio.

关键词

差分正交相移键控插损光束传输法

Keywords

DQPSKinsertion lossbeam propagation method

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Related Institution

Department of Information Engineering,Shenzhen University

Liaocheng University

Key Lab of Optical Communication Science & Technology in Shandong Province

Beijing University of Posts and Telecommunications

SKL of OCTN,Wuhan Research Institute of Post and Telecommunications

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