Simultaneous pulse amplification and compression in all-fiber-integrated pre-chirped large-mode-area Er-doped fiber amplifier

被引：8
作者：
Lin, Gong-Ru [1 ]
Lin, Ying-Tsung
Lee, Chao-Kuei
机构：
[1] Natl Taiwan Univ, Grad Inst Electroopt Engn, Taipei 106, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 106, Taiwan
[3] Natl Sun Yat Sen Univ, Inst Electroopt Engn, Kaohsiung 804, Taiwan
来源：
OPTICS EXPRESS | 2007年 / 15卷 / 06期
关键词：
D O I：
10.1364/OE.15.002993
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A large-mode-area Erbium-doped fiber amplifier (LMA-EDFA) based all-fiber-integrated amplified compressor with ultrashort length of 5.37 m and ultralow pumping power ( 260 mW) is proposed. The LMA-EDFA suppresses nonlinear soliton-self-frequency-shift effect happened during femtosecond pulse amplification, in which the fiber laser pulse is reshaped to a low-pedestal hyperbolic-second shape with nearly 100% energy confinement. The pre-chirped amplification from 0.96 to 104 mW and the simultaneous compression of a passively mode-locked fiber laser pulse from 300 to 56 fs is demonstrated. The input pulse energy of 24 pJ is amplified up to 2.6 nJ with shortened pulsewidth of 56 fs and peak power as high as 46 kW. (c) 2007 Optical Society of America.
引用
收藏
页码：2993 / 2999
页数：7
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