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基于波长移位的单纤双向系统的传输性能仿真
Authors
关建飞
朱闻真
+4 more
李维亮
罗霄
顾均
马群
Publication date
1 January 2015
Publisher
《光通信研究》编辑部
Doi
Cite
Abstract
利用Optisystem仿真软件搭建了基于DQPSK(差分正交相移键控)编码的WDM(波分复用)单纤双向传输系统,实现系统传输扩容;同时提出采用分段色散补偿方法抑制色散对系统的影响,利用非均匀信道间隔设置和非均匀色散管理降低四波混频效应。结果表明:在传输距离为600km、单信道速率为40Gbit/s的8信道WDM系统中,单纤双向传输时系统的品质因子(Q值)比单纤单向传输系统最大提高了14.9dB;对系统进行色散和四波混频抑制后,系统Q值还可以提高11dB以上
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Last time updated on 26/01/2023