期刊
OPTICS LETTERS
卷 40, 期 7, 页码 1374-1377出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.001374
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资金
- Shanghai Yangfan Program [14YF1401600]
- State Key Lab Project of Shanghai Jiao Tong University [GKZD030033]
- NSFC [61178007, 51302285]
- External Cooperation Program of BIC, CAS [181231KYSB20130007]
- National 10000-Talent Program
- CAS 100-Talent Program
We report on the passive-mode-locking operation of a fiber laser with a fundamental repetition rate of 463MHz based on molybdenum disulfide (MoS2) saturable absorber (SA). By embedding MoS2 into polyvinyl alcohol (PVA) thin film, MoS2-PVA SA was prepared with a modulation depth of 2.7% and a saturation intensity of 137 MW/cm(2). The mode-locked fiber laser-employed MoS2-PVA SA was achieved with center wavelength of 1556.3 nm, 3-dB bandwidth of 6.1 nm, output power of 5.9 mW, and an extinction ratio of up to 97 dB in the RF spectrum. The demonstration of mode-locking operation with high fundamental repetition rate and high spectral purity indicates that MoS2-PVA SA can be a good candidate for high-precision ultrafast applications. (C) 2015 Optical Society of America
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