Improvement of gain and noise figure in double-pass L-band EDFA by incorporating a fiber Bragg grating

被引：25

作者：

Yi, LL ^{[1
]}

Zhan, L ^{[1
]}

Ji, JH ^{[1
]}

Ye, QH ^{[1
]}

Xia, YX ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Inst Opt & Photon, Natl Lab Fiberopt Commun Networks & Adv Opt Commu, Shanghai 200030, Peoples R China

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 04期

关键词：

circulator; double-pass configuration; erbium-doped fiber amplifier (EDFA); fiber Bragg grating (FBG); L-band;

D O I：

10.1109/LPT.2004.823697

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：

An obvious improvement on both the gain and noise figure (NF) is demonstrated in the new double-pass L-band erbium-doped fiber amplifier (EDFA) with incorporating a fiber Bragg grating (FBG). Compared with the conventional L-band EDFAs, the gain is improved by about 6 dB in the new configuration for a 1580-nm signal with an input power of -30 dBm at 60 mW of 980-nm pump power. It is important that the NIT is greatly reduced in the new configuration, as the FBG greatly compresses the backward amplified spontaneous emission. For the economical utility of pump power and erbium-doped fiber length, such a configuration may be a very competitive candidate in the practical applications of L-band EDFAs.

引用

页码：1005 / 1007

页数：3

共 7 条

[1] Simple and efficient L-band erbium-doped fiber amplifiers for WDM networks [J].