非线性传输对光节点引入的串扰的影响

北京邮电大学学报 ›› 2001, Vol. 24 ›› Issue (4): 16-19.

非线性传输对光节点引入的串扰的影响

程振杰, 余重秀, 徐大雄

北京邮电大学电子工程学院, 北京 100876

收稿日期:2001-02-15 出版日期:2001-12-10
作者简介: 程振杰(1972—),女,博士生。
基金资助:
国家教育部高等学校博士学科点专项科研基金资助项目;国家“863计划”“中国高速信息示范网”资助项目(863-300-05-03-02)

The Interplay Between Nonlinear Propagation and Crosstalk Induced by Optical Network Node

CHENG Zhen-jie, YU Chong-xiu, XU Da-xiong

Electronic Engineering School, Beijing University of Posts and Telecommunications, Beijing 100876, China

Received:2001-02-15 Online:2001-12-10
Supported by:

摘要/Abstract

摘要： 利用软件首次模拟了光纤的非线性传输对串扰的影响,发现光纤的非线性传输在很大程度上加大了串扰对系统的影响;由于自相位调制引起的调制不稳定性,主信号和串扰完全同频时的误码并不是最坏情况;相反地,主信号和串扰有一定频差时误码比较大。模拟结果表明,在设计长距离光传送网时,应尽量保持光节点引入的串扰量小于40 dB。

关键词: 同频串扰, 异频串扰, 非线性效应

Abstract: The simulation of the interplay between crosstalk and nonlinear propagation using software is presented. The result shows that the interplay between crosstalk and nonlinear propagation will decrease the performance of the optical transport networks. Because of the MI induced by SPM, the BER is not the worst casewhen the crosstalk and the main signal have the same frequency; on the other hand, BER is worse for the case that the crosstalk and the main signal have different frequency. The simulation result also shows that we should keep crosstalk induced by optical network node bellow 40 dB for a long distance transmission optical network.

Key words: intraband crosstalk, interband crosstalk, nonlinear effect

中图分类号:

TN929.11

程振杰, 余重秀, 徐大雄. 非线性传输对光节点引入的串扰的影响[J]. 北京邮电大学学报, 2001, 24(4): 16-19.

CHENG Zhen-jie, YU Chong-xiu, XU Da-xiong. The Interplay Between Nonlinear Propagation and Crosstalk Induced by Optical Network Node[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2001, 24(4): 16-19.