EYDFA及其在FSO中的應用.pdf

1、西安電子科技大學碩士學位論文EYDFA及其在FSO中的應用姓名：耿天平申請學位級別：碩士專業(yè)：光通信指導教師：馬曉明20100101AbstractFiberAmplifierisoneofthekeycomponentstorealizeallopticalfibercommunicationsystemErbium—dopedfiberamplifierisappliedwidelyjustnowWithWDMdevelopment

2、，CATV，F(xiàn)TTH，aSwellasFSOthemorewidelyused，setahigherrequesttothefiberamplifierButErbiumdopedfiberamplifiercannotprovideadequatepumpAbsorptionviashortfiber，thestructureisverycomplexbecauseofthelonggainfiber，andtheefficiency

3、isverylowDopingYb”inErbium—dopedfiberisalleffectivemethodThisarticleimportantresearch：first，describestheprinciplesandstructureofEYDFA，andthefactorsaffectingitsperformance，theeffectsofconcentrationoferbiumandytterbiumions

4、、pumppower、signalpowerandfiberlengthonthegaincharacteristicsoftheCO—dopedfiberamplifierareanalyzed，andoptimalsimulationthroughVPIprogramComparison、ⅣiⅡ1singlyerbium—dopedfiberamplifierismade，theresultofwhichshowsthatShowt

5、hattheCOdopedfiberthansingleerbiumdopedfiberamplifiergainCanbeincreased10dB，pumplightabsorptionefficiencyCanbeincreasedby10％Second，briefintroductionofwirelessopticalcommunicationtheoryandsystemarchitecture，mainfactorsaff

6、ectingitsperformanceAppliestheEr3／Yb3COdopedfiberintheFSOcommunicationssystem，andcarriesonthesimulationthroughOptisystemtotheFSOsystem，compare謝t11EYDFAandEDFAusedinFSOComparisoninsteadofEDFAintheEYDFAafter，F(xiàn)SOsystemunder

7、differentweatherconditions，theeffectivetransmissiondistanceCanincreasebyhalfinthesunnyweatherconditions，Canevendoublethetransmissiondistance，thesystemcanalSOincreasetheredundancyofalmost10dBandthesystemBERisalsosignifica