1.58 mu m band Er3+-doped fibre amplifier pumped in the 0.98 and 1.48 mu m bands

被引:23
作者
Ono, H
Yamada, M
Sudo, S
Ohishi, Y
机构
[1] NTT Opto-electronics Laboratories, Naka-gun, Ibaraki-ken
关键词
fibre amplifiers; erbium-doped fibre amplifiers; wavelength division multiplexing;
D O I
10.1049/el:19970577
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 amplification characteristics of 1.58 mu m band Er3+-doped fibre amplifiers pumped in the 0.98 and 1.48 mu m bands were investigated. The noise characteristics were improved by adopting 0.98 mu m band pumping. There was >0.3dB improvement in both the average noise figure and the flatness of the noise figure.
引用
收藏
页码:876 / 877
页数:2
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