Study on the Bias Characteristic of IQ Modulator with Parallel MZI Structure

ZHANG Guang-bo; HUANG Zhao; MA Wei-dong

doi:10.13756/j.gtxyj.2016.02.018

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Study on the Bias Characteristic of IQ Modulator with Parallel MZI Structure

更新时间：2022-06-28

- Study on the Bias Characteristic of IQ Modulator with Parallel MZI Structure
- Study on Optical communication Issue 2, Pages: 56-58(2016)
- 作者机构：
  
  1. 武汉邮电科学研究院
  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.2016.02.018
  CLC： TN929.1;TN761
- Published：2016，
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[1]张广博,黄钊,马卫东.并联MZI型IQ调制器的直流偏置特性实验研究[J].光通信研究,2016(02):56-58.

ZHANG Guang-bo, HUANG Zhao, MA Wei-dong. Study on the Bias Characteristic of IQ Modulator with Parallel MZI Structure. [J]. Study on Optical communication (2):56-58(2016)
[1]张广博,黄钊,马卫东.并联MZI型IQ调制器的直流偏置特性实验研究[J].光通信研究,2016(02):56-58. DOI： 10.13756/j.gtxyj.2016.02.018.

ZHANG Guang-bo, HUANG Zhao, MA Wei-dong. Study on the Bias Characteristic of IQ Modulator with Parallel MZI Structure. [J]. Study on Optical communication (2):56-58(2016) DOI： 10.13756/j.gtxyj.2016.02.018.

摘要

相干光通信下的PDM-QPSK（双偏振复用正交相位键控）技术是光通信网络扩容的有效方式

因而被广泛研究。文章针对MZI（马赫曾德干涉型）IQ（正交）调制器的调制过程建立数学模型

分析了偏置电压及相位条件对调制信号的影响

总结出针对IQ调制器直流偏置特性的快速测试方法及算法思想。实际工程应用表明

该方法快速简单且准确性高。

Abstract

Digital coherent technology with advanced modulation formats such as PDM-QPSK has enabled us to increase the transmission capacity of optical communication networks.In this paper

a mathematical model is built for the IQ modulator.The effects of bias voltage and phase conditions are then analyzed.Finally

a fast and efficient method for testing the DC bias characteristic of IQ modulator is proposed.This method is demonstrated to be simple and accurate for IQ modulator as well as twin IQ modulator in the practical engineering application.

关键词

正交调制器马赫曾德干涉型偏置电压

Keywords

IQ modulatorMZIbias voltage

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