PERFORMANCE IMPLICATIONS OF COMPONENT CROSSTALK IN TRANSPARENT LIGHTWAVE NETWORKS

被引:178
作者
GOLDSTEIN, EL
ESKILDSEN, L
ELREFAIE, AF
机构
[1] Bellcore, Red Bank, NJ 07701
关键词
D O I
10.1109/68.285571
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
We find both theoretically and experimentally that crosstalk due to small component imperfections in transparent lightwave networks will tend to generate large performance degradations. The most severe degradations, which arise from interference between signal and crosstalk electric fields, are far larger than those predicted from simple power-addition without field interference. Systems corrupted by crosstalk from a single source of optical-field leakage appear to require component crosstalk levels epsilon less-than-or-equal-to -20 dB, if conventional receivers are used. Since the degradations are believed to depend on N square-root epsilon, where N is the number of crosstalk generators, each producing a crosstalk power level of epsilon, the problem is expected to grow rapidly severe with network size.
引用
收藏
页码:657 / 660
页数:4
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