摘要
Thepropagationoftwofemtosecondpulsesintheregionwithminimumgroup-velocitydispersion,influencedbythecrossphasemodulation(XPM)inphotoniccrystalfiber(PCF),isinvestigatedinthispaper.Theadaptivesplit-stepFouriermethodisusedtosimulatethegeneralizednonlinearSchrdingerequations(GNSE).ThenumericalresultsshowthatthecombinationoftheRamanscatteringandXPMcanmakethespectrumandthepulseshapechanged,inducingthepulsecompressionandsupercontinuumgeneration.TheRamaneffectfrommolecularvibrations,whichcanmakethepulsespectruminanomalous-dispersionregiontobemoresymmetrical,isalsodiscussed.
出版日期
2010年06月16日(中国期刊网平台首次上网日期,不代表论文的发表时间)