Multiwavelength erbium-doped fiber laser based on a nonlinear amplifying loop mirror assisted by un-pumped EDF

被引：92
|
作者：
Liu, Xuesong [1 ]
Zhan, Li [1 ]
Luo, Shouyu [1 ]
Gu, Zhaochang [1 ]
Liu, Jinmei [1 ]
Wang, Yuxing [1 ]
Shen, Qishun [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Dept Phys, Key Lab Laser Plasmas,Minist Educ, Shanghai 200030, Peoples R China
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 07期
基金：
中国国家自然科学基金;
关键词：
RING LASER; POLARIZATION ROTATION;
D O I：
10.1364/OE.20.007088
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A multiwavelength erbium-doped fiber (EDF) laser based on a nonlinear amplifying loop mirror (NALM) is proposed and experimentally demonstrated. The NALM provides intensity-dependent transmissivity to equalize different-wavelength powers and the transmission can be uniquely optimized by controlling the cavity loss associated with a section of un-pumped EDF, which also enhances the output signal-to-noise ratio (SNR). Through adjusting the polarization controllers (PCs), under only 70mW pump power, up to 62-wavelength output with channel spacing of 0.45 nm has been achieved. Also, the lasing tunability and stability are verified. (C) 2012 Optical Society of America
引用
收藏
页码：7088 / 7094
页数：7
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