Research on applications of PSNRZ code in high-rate fiber-optic communications

Dong Yi; Ni Yanhui; Hong Hua; Zhao Shanghong; Gai Meiqing

doi:10.13756/j.gtxyj.2011.04.012

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Research on applications of PSNRZ code in high-rate fiber-optic communications

- Research on applications of PSNRZ code in high-rate fiber-optic communications
- Study on Optical communication Issue 4, Pages: 14-16(2011)
- 作者机构：
  
  空军工程大学电讯工程学院
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2011.04.012
  CLC： TN929.11
- Published：2011，
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[1]董毅,倪延辉,洪华,赵尚弘,盖美庆.PSNRZ码在高速光纤通信中的应用研究[J].光通信研究,2011(04):14-16.

Dong Yi, Ni Yanhui, Hong Hua, et al. Research on applications of PSNRZ code in high-rate fiber-optic communications. [J]. (4):14-16(2011)
[1]董毅,倪延辉,洪华,赵尚弘,盖美庆.PSNRZ码在高速光纤通信中的应用研究[J].光通信研究,2011(04):14-16. DOI： 10.13756/j.gtxyj.2011.04.012.

Dong Yi, Ni Yanhui, Hong Hua, et al. Research on applications of PSNRZ code in high-rate fiber-optic communications. [J]. (4):14-16(2011) DOI： 10.13756/j.gtxyj.2011.04.012.

摘要

在分析相位整形不归零（PSNRZ）码基本原理的基础上

提出了一种利用马赫-曾德（MZ）调制器对信号相位进行预调制的方法

该方法能够方便有效地控制信号初始啁啾的形式和大小。文章指出调制深度可以更加直观地反映PSNRZ码的啁啾大小

并推导了调制深度与啁啾系数及链路残余色散之间的关系。最后

在40 Gbit/s通信系统中对PSNRZ码的性能进行了仿真分析

结果表明:PSNRZ码可将系统的色散容限提高到180 ps/nm

极大地降低了色散对通信系统的影响。

Abstract

On the basis of analyzing the fundamental principle of the PSNRZ code

this paper presents a signal phase pre-modulation method using the MZ modulator

which can easily and effectively regulate the format and value of the signal initial chirp.It points out that modulation depth can more visually reflect the chirp value of the PSNRZ code and derives the relationship between the modulation depth and the link residual dispersion.Finally

it simulates and analyzes the performances of the code in 40 Gbit/s communication systems

which indicates that PSNRZ code can increase the system dispersion tolerance to 180 ps/nm

thus greatly reducing the effects of dispersion on the communication systems.

关键词

相位整形不归零码啁啾调制深度色散容限

Keywords

PSNRZ codechirpmodulation depthdispersion tolerance

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Key Laboratory of Precision Microelectronic Manufacturing Technology,Guangdong University of Technology

School of Mechanical and Electrical Engineering,Guangdong University of Technology

School of Communication and Information Engineering, Chongqing University of Posts and Telecommunications

College of Electronic Science and Engineering,Nanjing University of Posts and Telecommunications

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