Tunable multiwavelength mode-locked Tm/Ho-doped fiber laser based on a nonlinear amplified loop mirror

被引：62

作者：

Jin, Xiaoxi ^{[1
]}

Wang, Xiong ^{[1
]}

Wang, Xiaolin ^{[1
]}

Zhou, Pu ^{[1
]}

机构：

[1] Natl Univ Def Technol, Coll Optoelect Sci & Engn, Changsha 410073, Hunan, Peoples R China

来源：

APPLIED OPTICS | 2015年 / 54卷 / 28期

关键词：

HIGH-POWER; INTERFEROMETER; OPERATION;

D O I：

10.1364/AO.54.008260

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and demonstrate a tunable multiwavelength mode-locked Tm/Ho-doped fiber laser based on a nonlinear amplified loop mirror (NALM). Without using polarization-maintaining fiber, only passive fibers with low birefringence were inserted into the NALM to help overcome mode competition and realize mode-locking. The spacing between adjacent channels was measured to be similar to 6 nm. By adjusting the polarization controllers (PCs) to an appropriate position, self-started mode-locking was achieved, which further overcame the mode competition in the fiber laser. A multiwavelength mode-locked fiber laser with at least three available channels were tunable in the widest range of 30 nm (from 1935 to 1965 nm) with a 3 dB channel bandwidth of similar to 1.6 nm. This multiwavelength mode-locked fiber laser is quite stable with the maximum peak fluctuation within 0.47 dB in long-term observations. (C) 2015 Optical Society of America

引用

页码：8260 / 8264

页数：5

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