Q-switched and mode-locked Er-doped fiber laser using PtSe2 as a saturable absorber

被引：0
|
作者：
KANG ZHANG [1 ]
MING FENG [1 ]
YANGYANG REN [1 ]
FANG LIU [1 ]
XINGSHUO CHEN [1 ]
JIE YANG [1 ]
XIAO-QING YAN [1 ]
FENG SONG [1 ]
JIANGUO TIAN [1 ]
机构：
[1] Key Laboratory of Weak-Light Nonlinear Photonics, Ministry of Education, School of Physics and TEDA Applied Physics School,Nankai University
来源：
Photonics Research | 2018年 / 09期
基金：
中国国家自然科学基金;
关键词：
Pt; SA; Q-switched and mode-locked Er-doped fiber laser using PtSe2 as a saturable absorber;
D O I：
暂无
中图分类号：
TN248 [激光器];
学科分类号：
0803 ; 080401 ; 080901 ;
摘要：
We report a passively Q-switched and mode-locked erbium-doped fiber laser(EDFL) based on PtSe, a new two-dimensional material, as a saturable absorber(SA). Self-started Q-switching at 1560 nm in the EDFL was achieved at a threshold pump power of 65 mW, and at the maximum pump power of 450 m W, the maximum single Q-switched pulse energy is 143.2 n J. Due to the polarization-dependent characteristics of the PtSe-based SA, the laser can be switched from the Q-switched state to the mode-locked state by adjusting the polarization state. A mode-locked pulse train with a repetition rate of 23.3 MHz and a pulse width of 1.02 ps can be generated when the pump power increases to about 80 m W, and the stable mode-locked state is maintained until the pump power reaches its maximum 450 m W. The maximum single mode-locked pulse energy is0.53 nJ. This is the first time to our knowledge that successful generation of stable Q-switched and mode-locked pulses in an Er-doped fiber laser has been obtained by using PtSeas a saturable absorber.
引用
收藏
页码：893 / 899
页数：7
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