Transmission line with distributed erbium-doped fiber amplifier

被引：5
|
作者：
Kawakami, H [1 ]
Kataoka, T [1 ]
Miyamoto, Y [1 ]
Hagimoto, K [1 ]
Toba, H [1 ]
机构：
[1] NTT, Intellectual Property Ctr, Musashino, Tokyo 1808585, Japan
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2001年 / 19卷 / 12期
关键词：
amplified spontaneous emission (ASE); distributed erbium-doped fiber amplifier (EDFA); L-band; lumped EDFAs; noise figure (NF); nonlinear optical effect; recirculating loop; signal-to-noise ratio (SNR);
D O I：
10.1109/50.971681
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 show the advantages of distributed erbium-doped fiber amplifiers (EDFAs) over lumped EDFAs. Using the distributed EDFA for 50%-100% of the transmission line lessens the signal degradation compared to the conventional transmission line. We also show the feasibility of the gain-flattened d-EDFA transmission line. An experiment shows that the gain peak is shifted and flattened at low pump powers.
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页码：1887 / 1891
页数：5
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