Investigation of C-band pumping for extended L-band EDFAs

被引：25

作者：

Lei, Chengmin ^{[1
,2
]}

Feng, Hanlin ^{[1
]}

Messaddeq, Younes ^{[1
]}

LaRochelle, Sophie ^{[1
]}

机构：

[1] Univ Laval, Ctr Opt Photon & Lasers COPL, Quebec City, PQ G1V 0A6, Canada

[2] Natl Univ Def Technol, Coll Adv Interdisciplinary Studies, Changsha 410073, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2020年 / 37卷 / 08期

基金：

加拿大自然科学与工程研究理事会;

关键词：

DOPED FIBER AMPLIFIER; GAIN ENHANCEMENT; NOISE-FIGURE; WAVELENGTH; PERFORMANCES;

D O I：

10.1364/JOSAB.392291

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this study, we present systematic numerical and experimental analysis of high-power C-band light pumping in extended L-band erbium-doped fiber amplifiers (EDFAs). We investigate, for the first time to the best of our knowledge, how C-band light sources can be used as pump sources to extend the bandwidth of L-band EDFAs beyond 1610 nm. Results show that, when using a C-band light source as the sole pump, efficient amplification is obtained over the extended L-band, but at the expense of a higher noise figure. However, the advantage of C-band pumping in terms of power conversion efficiency can be exploited when using a two-stage EDFA, with a first stage pumped by 1480 nm to maintain good noise figure performance and a high-power C-band light source (up to several hundred mW) as the pump source for the second stage. Thus, a 20 dB gain covering 1570-1618 nm with a maximum noise figure of 5.7 dB is demonstrated. (C) 2020 Optical Society of America

引用

页码：2345 / 2352

页数：8

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