期刊
OPTICS EXPRESS
卷 23, 期 20, 页码 26723-26737出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.23.026723
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资金
- Shanghai Yangfan Program [14YF1401600]
- State Key Lab Project of Shanghai Jiao Tong University [GKZD030033]
- NSFC [61178007, 51302285]
- STCSM [11nm0502400]
- External Cooperation Program of BIC, CAS [181231KYSB20130007]
- National 10000-Talent Program
- CAS 100-Talent Program
In this paper, we report 4 different saturable absorbers based on 4 transition metal dichalcogenides (MoS2, MoSe2, WS2, WSe2) and utilize them to Q-switch a ring-cavity fiber laser with identical cavity configuration. It is found that MoSe2 exhibits highest modulation depth with similar preparation process among four saturable absorbers. Q-switching operation performance is compared from the aspects of RF spectrum, optical spectrum, repetition rate and pulse duration. WS2 Q-switched fiber laser generates the most stable pulse trains compared to other 3 fiber lasers. These results demonstrate the feasibility of TMDs to Q-switch fiber laser effectively and provide a meaningful reference for further research in nonlinear fiber optics with these TMDs materials. (C) 2015 Optical Society of America
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