Journal
OPTICS COMMUNICATIONS
Volume 406, Issue -, Pages 158-162Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2017.05.052
Keywords
Black phosphorus; Mid-infrared region; Solid-state pulse laser
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Funding
- National Natural Science Foundation of China [61475089, 61575088, 61422511, 61435010, 51432007]
- Natural Science Foundation of the Higher Education Institutions of Jiangsu Province [15KJB430013]
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A multilayer black phosphorus, as a novel two dimensional saturable absorber, has superb saturable absorption properties for a Er:CaF2 solid-state pulse laser. The pulse laser is realized at mid-infrared region with the passively Q-switched technology by a diode-pumping. The high-quality black phosphorus saturable absorber is fabricated by liquid phase exfoliation method. The pulse laser generates the pulses operation with the pulse duration of 954.8 ns, the repetition rate of 41.93 kHz, the pulse energy of 4.25 mu J and the peak power of 4.45 W. Our work demonstrates that black phosphorus could be used as a kind of efficient mid-infrared region optical absorber for ultrafast photonics. (C) 2017 Elsevier B.V. All rights reserved.
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