光通信中EDFA工作原理和发展趋势

EDFA161121EDFAWorkingprincipleanddevelopingtrendofEDFAinopticalfibercommunicationHuangxueda1Wangdianhong1Leifei2Chenfenxiong1(1ChinaUniversityofGeosciences,Wuhan430074China2FiberHomeTelecommunicationTechnologiesCo.,Ltd.Wuhan430074China)Abstract:ThispaperintroducestheworkingprincipleofEDFAanditsdevelopingtrend,analyzingandcomparingperformancebetweenEDFAoffixingplusandEDFAofadjustingplusautomatically.AtthattimeitexpectshybridamplifiersofEDFAandFRA.Keywords:EDFA,DWDM,VOA,FRA.1.3um0.35dB1.55um0.25dB(50-100km)(EDFA)SOA(Er)(Nd)(Pr)(Tm)(REDFA)1.5umEDFAEDFAEDFA1.1EDFA___________________________________________________________________________________(15291564nm)(15691605nm)EDFA(12501650)EDFA(FRA),,,10dBEDFA30dB(FRA)(EDFA)FRAEDFA(80100)FRAEDFAFRAEDFAEDFA7DWDM7EDFAFigure7FRAandEDFAconfigurationpicture4.EDFA40Gbit/sTbit/sDWDM3240160EDFAFRA+EDFAEDFA中国科技论文在线___________________________________________________________________________________(5):45508MasudaH.Reviewofwide-bandhybridamplifiers[R].WashingtonD.C.:OFC2000,2000.9KidorfH,RottwittK,etal.Pumpinteractionsina100nmbandwithRamanamplifier.IEEEPhotonicsTechnologyLetters,1999,11(5):53053210EmoriY,AkasakaY,NamikiS.BroadbandlosslessDCFusingRamanamplificationpumpedbymultichannelWDMlaserdiodes[J].ElectronicsLett,1998,34(22):2145—[e-mail]1997920017200172003410GSDH10G/2.5GDWDM20039(EPON)中国科技论文在线___________________________________________________________________________________