Short all Tm-doped germanate glass fiber MOPA single-frequency laser at 1.95 μm

被引：21

作者：

Yang, Changsheng ^{[1
,2
]}

Chen, Dan ^{[3
]}

Xu, Shanhui ^{[1
,2
]}

Deng, Huaqiu ^{[3
]}

Lin, Wei ^{[1
,2
]}

Zhao, Qilai ^{[1
,2
]}

Zhang, Yuanfei ^{[1
,2
]}

Zhou, Kaijun ^{[1
,2
]}

Feng, Zhouming ^{[1
,2
]}

Qian, Qi ^{[1
,2
]}

Yang, Zhongmin ^{[1
,2
,4
,5
]}

机构：

[1] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510640, Guangdong, Peoples R China

[2] S China Univ Technol, Inst Opt Commun Mat, Guangzhou 510640, Guangdong, Peoples R China

[3] S China Univ Technol, Sch Phys & Optoelect, Guangzhou 510640, Guangdong, Peoples R China

[4] Guangdong Engn Technol Res & Dev Ctr Special Opt, Guangzhou 510640, Guangdong, Peoples R China

[5] S China Univ Technol, Guangdong Prov Key Lab Fiber Laser Mat & Appl Tec, Guangzhou 510640, Guangdong, Peoples R China

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 10期

关键词：

PUMP ABSORPTION; EFFICIENCY; AMPLIFIERS; EMISSION; OUTPUT;

D O I：

10.1364/OE.24.010956

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Based on heavily Tm-doped germanate glass fibers (TGFs), a short all-TGF MOPA laser system with uniform core parameters in each stage was demonstrated. An 11.7 W stable single-frequency laser at 1.95 mu m with an optical-to-optical conversion efficiency of 20.4% is obtained from a homemade 31-cm-long double-cladding single-mode TGF. The estimated stimulated Brillouin scattering (SBS) threshold of 980 W and the measured relative intensity noise of < -130 dB/Hz for frequencies above 2 MHz are achieved in this MOPA system. Furthermore, the prospect for further power-scaling of such short MOPA laser is considered. (C) 2016 Optical Society of America

引用

页码：10956 / 10961

页数：6

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