Tungsten diselenide Q-switched erbium-doped fiber laser

被引：81
作者：
Chen, Bohua [1 ]
Zhang, Xiaoyan [2 ]
Guo, Chaoshi [1 ]
Wu, Kan [1 ]
Chen, Jianping [1 ]
Wang, Jun [2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, Dongchuan Rd 800, Shanghai 200240, Peoples R China
[2] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Qinghe Rd 390, Shanghai 201800, Peoples R China
来源：
OPTICAL ENGINEERING | 2016年 / 55卷 / 08期
关键词：
transitional metal dichalcogenides; tungsten diselenide; Q-switching; fiber laser; saturable absorber; MOLYBDENUM-DISULFIDE MOS2; SATURABLE ABSORBER; PHOTONIC DEVICE; MODE-LOCKING; ABSORPTION; MICROFIBER; GRAPHENE; WS2;
D O I：
10.1117/1.OE.55.8.081306
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report a tungsten diselenide (WSe2) polyvinyl alcohol (PVA)-based, saturable absorber and related experiment results of a Q-switched fiber laser. WSe2-PVA film is synthesized by liquid phase exfoliation method, and its saturable absorption is measured via a nonlinear transmission experiment. The result shows that WSe2-PVA saturable absorber has a modulation depth of 3.5%, which means it has potential for generating an ultrafast pulse laser. We apply this absorber into a ring-cavity erbium-doped fiber laser and obtain Q-switched pulses under appropriate pump power. Our work demonstrates the reliable nonlinear optical characteristics of WSe2 and the feasibility for this two-dimensional material to be applied in the field of nonlinear optics. (C) 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
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页数：5
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