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
收藏
页码：10956 / 10961
页数：6
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