Broadband silica-based thulium doped fiber amplifier employing multi-wavelength pumping

被引：27

作者：

Wang, Junjia ^{[1
]}

Liang, Sijing ^{[1
]}

Kang, Qiongyue ^{[1
]}

Jung, Yongmin ^{[1
]}

Alam, Shaif-Ul ^{[1
]}

Richardson, David J. ^{[1
]}

机构：

[1] Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants, England

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 20期

基金：

英国工程与自然科学研究理事会;

关键词：

NM; GAIN;

D O I：

10.1364/OE.24.023001

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A multi-wavelength pumped thulium doped fiber amplifier is investigated to extend the spectral gain coverage of the amplifier in the 1.7-1.9 mu m wavelength range. Through the use of a combination of 791 nm, 1240 nm, and 1560 nm laser diode pumping, the amplifier gain can be improved significantly and overall gain bandwidth enhancement of similar to 47% as compared to single-wavelength pumping achieved. A nominal gain of 15 dB is achieved over a bandwidth of more than 250 nm spanning from 1700 to 1950 nm with a maximum gain of 29 dB and a noise figure of less than 5 dB. (C) 2016 Optical Society of America

引用

页码：23001 / 23008

页数：8

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