Two-stage L-band EDFA with gain-clamped characteristics using partial gain-clamping

被引：10

作者：

Xia, B ^{[1
]}

Chen, LR ^{[1
]}

机构：

[1] McGill Univ, Dept Elect & Comp Engn, Photon Syst Grp, Montreal, PQ H3A 2A7, Canada

来源：

OPTICS COMMUNICATIONS | 2002年 / 206卷 / 4-6期

关键词：

erbium-doped fiber amplifiers; gain-clamping; gain control; fiber Bragg gratings; wavelength-division-multiplexing; transient analysis;

D O I：

10.1016/S0030-4018(02)01400-1

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We theoretically and experimentally investigate the static and dynamic properties of two-stage L-band erbium-doped fiber amplifiers (EDFAs) that are partially gain-clamped. Partial (all-optical) gain-clamping is obtained by forming a fiber grating laser in either the first or the second stage of the two-stage EDFA. Although the amplifiers are only partially gain-clamped, results show that they exhibit good gain-clamped characteristics. Furthermore, the amplifier configuration in which the second stage is gain-clamped can have a very low noise figure and a small transient gain (power) excursion. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：301 / 308

页数：8

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