Performance analysis of modified optical duobinary in two different implementation methods

Lu Zhijia; Wang Xianbin; Li Yuping; Li Ning; Yang Jie; Liu Zhenyong

doi:10.13756/j.gtxyj.2015.02.003

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Performance analysis of modified optical duobinary in two different implementation methods

- Performance analysis of modified optical duobinary in two different implementation methods
- Study on Optical communication Issue 2, Pages: 7-10(2015)
- 作者机构：
  
  1. 石家庄学院物理与电气信息工程学院
  2. 河北工业大学信息工程学院
  3. 河北省公安厅
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2015.02.003
  CLC： TN911.3
- Published：2015，
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[1]卢智嘉,王现彬,李玉萍,李宁,杨洁,刘振永.两种实现方式的改进型光双二进制性能分析[J].光通信研究,2015(02):7-10.

Lu Zhijia, Wang Xianbin, Li Yuping, et al. Performance analysis of modified optical duobinary in two different implementation methods. [J]. (2):7-10(2015)
[1]卢智嘉,王现彬,李玉萍,李宁,杨洁,刘振永.两种实现方式的改进型光双二进制性能分析[J].光通信研究,2015(02):7-10. DOI： 10.13756/j.gtxyj.2015.02.003.

Lu Zhijia, Wang Xianbin, Li Yuping, et al. Performance analysis of modified optical duobinary in two different implementation methods. [J]. (2):7-10(2015) DOI： 10.13756/j.gtxyj.2015.02.003.

摘要

文章仿真研究了两种改进型光双二进制调制格式。首先对比分析了产生两种改进型光双二进制调制格式的发射机结构及两种调制格式的码型和频谱特性

随后进行了系统的传输性能仿真。仿真结果表明:当残留色散较大时

改进Ⅱ型光双二进制调制格式性能较为优异;而在-13.2

.8dBm入纤光功率范围内

与改进Ⅱ型光双二进制和NRZ（非归零）码调制格式相比

改进Ⅰ型光双二进制的Q值最高

抗非线性效应能力最强。

Abstract

This paper studies by simulation two kinds of modulation formats for modified optical duobinary.It first compares and analyzes the structures of the transmitters that generate these formats

and their code type and spectrum characteristics.Afterwards

it simulates the system transmission performances.The results show that when the residual dispersion is large

the modified type Ⅱ optical duobinary modulation format has better performance.However

within the incident optical power range of-13.2

2.8dBm

the modified type I optical duobinary modulation format has the highest Qvalue and hence the strongest resistance to nonlinear effects compared with the modified typeⅡ optical duobinary and NRZ modulation formats.

关键词

改进型光双二进制调制格式残留色散非线性效应

Keywords

modified optical duobinarymodulation formatresidual dispersionnonlinear effect

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