3.77 μm fiber laser based on cascaded Raman gain in a chalcogenide glass fiber

被引：109

作者：

Bernier, Martin ^{[1
]}

Fortin, Vincent ^{[1
]}

El-Amraoui, Mohammed ^{[1
]}

Messaddeq, Younes ^{[1
]}

Vallee, Real ^{[1
]}

机构：

[1] Univ Laval, COPL, Quebec City, PQ G1V 0A6, Canada

来源：

OPTICS LETTERS | 2014年 / 39卷 / 07期

基金：

加拿大自然科学与工程研究理事会; 加拿大创新基金会;

关键词：

BRAGG GRATINGS; FEMTOSECOND PULSES; HIGH-POWER; WAVELENGTH; EMISSION; AS2S3;

D O I：

10.1364/OL.39.002052

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Laser emission is demonstrated at a wavelength of 3.766 mu m in a cascaded Raman gain device. The laser cavity is made of two nested pairs of fiber Bragg gratings inscribed in a 2.8 m length of low-loss As2S3 fiber. An erbium-doped fluoride glass quasi-CW fiber laser emitting at 3.005 mu m is used to pump the cascaded Raman cavity, which converts the pump wavelength successively to the first and second Stokes orders, respectively at 3.340 and 3.766 mu m. A laser output peak power in excess of 100 mW is obtained with a lasing efficiency of about 8.3% with respect to the launched pump power. This represents the highest emission wavelength delivered by a fiber laser operating at room temperature. (C) 2014 Optical Society of America

引用

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页码：2052 / 2055

页数：4

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