HIGH-GAIN 2-STAGE AMPLIFICATION WITH ERBIUM-DOPED FIBER AMPLIFIER

被引：20
|
作者：
MASUDA, H
TAKADA, A
机构：
[1] NTT Transmission Systems Laboratori, 1-2356 Take, Yokosuka-shi238-03, Kanagawa
来源：
ELECTRONICS LETTERS | 1990年 / 26卷 / 10期
关键词：
Amplifiers; Doping; Optical fibres;
D O I：
10.1049/el:19900432
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：
Unsaturated net gain of 51 dB is obtained for 1-551/nn signal light by using two-stage erbium-doped fibre amplifiers pumped by 1-48 /an laser diodes. This is achieved by using both an optical bandpass filter to suppress amplified spontaneous emission from the first stage amplifier and a bidirectional pumping scheme in the second amplifier to increase saturation output power. © 1990, The Institution of Electrical Engineers. All rights reserved.
引用
收藏
页码：661 / 662
页数：2
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