Gain-shifted thulium-doped fibre amplifiers employing novel high concentration doping technique

被引:33
作者
Aozasa, S [1 ]
Sakamoto, T [1 ]
Kanamori, T [1 ]
Hoshino, K [1 ]
Shimizu, M [1 ]
机构
[1] NTT, Photon Labs, Naka, Ibaraki 3191193, Japan
关键词
D O I
10.1049/el:20000332
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
A novel high thulium concentration doping technique is proposed for shifting the gain band in thulium-doped fibre amplifiers (TDFAs). The gain peak shifts from 1473 to 1505nm when the Tm3+ concentration is increased from 2000 to 8000 ppm. The authors have achieved gains of > 18dB and a noise figure (NF) of < 7dB from 1480 to 1510 nm (30nm bandwidth) for a total pump power of 500mW.
引用
收藏
页码:418 / 419
页数:2
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