简介:Tungstendisulfide(WS2)isatypeofanisotropic-layeredcompoundandhasbroadbandsaturableabsorptionfeaturesassaturableabsorbers(SAs).WithWS2-basedSAs,darksolitonsinerbium-dopedfiber(EDF)lasersarefirstobtained.Forthegenerateddarksolitons,thecenterwavelengthismeasuredtobe1530nm,andtherepetitionrateisabout116.5MHz.Aseriesofopticalspectraisexhibited.Theelectricalsignal-to-noiseratioisbetterthan94dB.ResultsinthispaperdemonstratethatWS2-basedSAsarethepromisingSAsforgeneratingdarksolitonsinEDFlasers.