HIGH-PERFORMANCE AMPLIFIED OPTICAL LINKS WITHOUT ISOLATORS OR BANDPASS-FILTERS

被引:1
作者
ESKILDSEN, L [1 ]
GOLDSTEIN, E [1 ]
机构
[1] TECH UNIV DENMARK,CTR BROADBAND TELECOMMUN,INST ELECTROMAGNET,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1109/68.124875
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
Using a simple analysis of saturated amplifier cascades, we examine the consequences of removing optical band-pass filters and/or isolators, while still relying on saturation effects to provide automatic power control. We find that optical bandpass filters can be removed at only a modest cost in system performance. Moreover, isolators can also be removed or reduced in number, so long as reflection-induced degradations permit. When isolators are removed or reduced in number, backward-traveling spontaneous emission plays a significant role, via saturation effects, in the regulation of optical signal power.
引用
收藏
页码:55 / 58
页数:4
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