期刊
OPTICS COMMUNICATIONS
卷 413, 期 -, 页码 236-241出版社
ELSEVIER
DOI: 10.1016/j.optcom.2017.12.053
关键词
Mode-locked fiber laser; Yb-doped fiber; Monolayer MoS2
类别
资金
- National Natural Science Foundation of China (NSFC) [61675009, 61325021]
- Key Research Program of Frontier Science of CAS [QYZDB-SSW-SLH004]
We report on an all-fiber passively mode-locked ytterbium-doped (Yb-doped) fiber laser with monolayer molybdenum disulfide (ML-MoS2) saturable absorber (SA) by three-temperature zone chemical vapor deposition (CVD) method. The modulation depth, saturation fluence, and non-saturable loss of this ML-MoS2 are measured to be 3.6%, 204.8 mu J/cm(2) and 6.3%, respectively. Based on this ML-MoS(2)SA, a passively mode-locked Yb-doped fiber laser has been achieved at 979 nm with pulse duration of 13 ps and repetition rate of 16.51 MHz. A mode-locked fiber laser at 1037 nm is also realized with a pulse duration of 475 ps and repetition rate of 26.5 MHz. To the best of our knowledge, this is the first report that the ML-MoS2 SA is used in an all-fiber Yb-doped mode-locked fiber laser at 980 nm. Our work further points the excellent saturable absorption ability of ML-MoS2 in ultrafast photonic applications. (C) 2017 Elsevier B.V. All rights reserved.
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