Optimal dispersion management for wavelength-division-multiplexed RZ optical pulse transmission

被引:25
|
作者
Sugahara, H [1 ]
Inoue, T [1 ]
Maruta, A [1 ]
Kodama, Y [1 ]
机构
[1] Osaka Univ, Grad Sch Engn, Suita, Osaka 5650871, Japan
关键词
D O I
10.1049/el:19980607
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The frequency shift induced by cross-phase modulation between different channels can be reduced by dispersion management in a wavelength-division-multiplexed (WDM) optical transmission system in RZ format. The reduction is increased for larger dispersion difference in a lossless two-step dispersion managed line. However, in the presence of fibre loss and lumped amplifiers, the frequency shift tends to increase for a large dispersion difference in which a stable pulse with the same initial pulsewidth requires higher enhanced power than for the lossless case. Optimal dispersion management schemes in WDM systems are also proposed.
引用
收藏
页码:902 / 904
页数:3
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