High-efficiency fiber laser at 1018 nm using Yb-doped phosphosilicate fiber

被引:20
作者
Wang, Jianhua [1 ,2 ,3 ]
Chen, Gui [4 ]
Zhang, Lei [1 ,2 ]
Hu, Jinmeng [1 ,2 ]
Li, Jinyan [4 ]
He, Bing [1 ,2 ]
Chen, Jinbao [3 ]
Gu, Xijia [5 ]
Zhou, Jun [1 ,2 ]
Feng, Yan [1 ,2 ]
机构
[1] Chinese Acad Sci, Shanghai Key Lab Solid State Laser & Applicat, Shanghai 201800, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[3] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China
[4] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
[5] Ryerson Univ, Dept Elect & Comp Engn, Toronto, ON M5B 2K3, Canada
关键词
POWER; AMPLIFIER;
D O I
10.1364/AO.51.007130
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A high-efficiency fiber laser at 1018 nm using homemade Yb-doped phosphosilicate fiber is demonstrated. The fiber shows blueshifted emission spectrum compared to Yb-doped aluminosilicate fiber, and is considered favorable for the short wavelength Yb-doped fiber laser. With a 7 m gain fiber, up to 22.8 Woutput at 1018 nm is achieved with an optical efficiency of 53%. The amplified spontaneous emission at 1030 nm is suppressed to 50 dB below the 1018 nm laser. This work shows that highly-efficient fiber laser at 1018 nm can be obtained with Yb-doped phosphosilicate fiber. (C) 2012 Optical Society of America
引用
收藏
页码:7130 / 7133
页数:4
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