期刊
OPTICS LETTERS
卷 40, 期 16, 页码 3885-3888出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.40.003885
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资金
- European Cooperation in Science and Technology (COST) [MP1401]
- National Science Centre (NCN, Poland) [DEC-2013/11/D/ST7/03138]
We report, for the first time to our knowledge, the usage of black phosphorus (BP) as a saturable absorber for the mode locking of a thulium-doped fiber laser. We have experimentally shown that BP exhibits saturable absorption in the 2 mu m wavelength range and supports ultrashort pulse generation. The saturable absorber was based on mechanically exfoliated BP deposited on a fiber connector tip. The laser was capable of generating 739 fs pulses centered at 1910 nm. Our results show that BP might be considered as a universal broadband saturable absorber that could successfully compete with graphene or other low-dimension nanomaterials. (C) 2015 Optical Society of America
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