Hybrid Brillouin/thulium multiwavelength fiber laser with switchable single- and double-Brillouin-frequency spacing

被引：36

作者：

Hu, Kai ^{[1
,2
]}

Kabakova, Irina V. ^{[1
]}

Lefrancois, Simon ^{[1
]}

Hudson, Darren D. ^{[1
]}

He, Sailing ^{[2
]}

Eggleton, Benjamin J. ^{[1
]}

机构：

[1] Univ Sydney, Sch Phys, Inst Photon & Opt Sci IPOS, Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Sydney, NSW 2006, Australia

[2] Zhejiang Univ, Ctr Opt & Electromagnet Res COER, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 26期

基金：

澳大利亚研究理事会;

关键词：

2; MU-M; RING LASER; GENERATION; TRANSMISSION; SPECTROSCOPY; THRESHOLD; TM;

D O I：

10.1364/OE.22.031884

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a multiwavelength laser at 2 mu m based on a hybrid gain scheme consisting of a Brillouin gain medium and a thulium-doped fiber. The laser has switchable frequency spacing, corresponding to the single and double Brillouin frequency shifts. In the 20 dB bandwidth, seven lasing channels with a frequency spacing of 0.1 nm (7.62 GHz) and eleven channels with a double-spacing of 0.2 nm (15.24 GHz) are obtained. A wavelength tunability of 1.3 nm is realized for both laser configurations by shifting the pump wavelength. Strong four wave mixing is observed in the double-spacing laser resulting in an improved performance: larger number of channels and better temporal stability. (C) 2014 Optical Society of America

引用

页码：31884 / 31892

页数：9

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