Journal
PHOTONICS RESEARCH
Volume 4, Issue 3, Pages 111-114Publisher
OPTICAL SOC AMER
DOI: 10.1364/PRJ.4.000111
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Funding
- National Key Basic Research Program of China [2012CB821304, 2013CB922401, 2013CB922402]
- National Natural Science Foundation of China (NSFC) [61205064, 61378040, 11078022]
- National Key Technology RAMP
- D Program of the Ministry of Science and Technology [2012BAC23B03]
- Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications) [600100161]
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Tungsten disulfide (WS2) is a type of anisotropic-layered compound and has broadband saturable absorption features as saturable absorbers (SAs). With WS2-based SAs, dark solitons in erbium-doped fiber (EDF) lasers are first obtained. For the generated dark solitons, the center wavelength is measured to be 1530 nm, and the repetition rate is about 116.5 MHz. A series of optical spectra is exhibited. The electrical signal-to-noise ratio is better than 94 dB. Results in this paper demonstrate that WS2-based SAs are the promising SAs for generating dark solitons in EDF lasers. (C) 2016 Chinese Laser Press
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