Dense Wavelength Division Multiplixing Networks：Principles and Applications - Charles A.Brackett

《Dense Wavelength Division Multiplixing Networks：Principles and Applications - Charles A.Brackett》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、948IEEEJOURNALONSELECTEDAREASINCOMMUNICATIONS.VOL.X.NO.h.AIITrUST1990.DenseWavelengthDivisionMultiplexingNetworks:PrinciplesandApplicationsAbstract-Theverybroadbandwidthoflow-lossopticaltransmis-Inthispaper,wereviewrecentworkondenseWDMsioninasingle-modefiber

2、andtherecentimprovementsinsingle-fre-asitisappliedtonetworks,Wetaketheviewthatthequencytunablelasershavestimulatedsignificantadvancesindensemostimportantapplicationsarelikelytobeotherthanwavelengthdivisionmultiplexedopticalnetworks.Thistechnology,in-cludingw

3、avelength-sensitiveopticalswitchingandroutingelen~entsandsimplehigh-capacitypoint-to-pointtransmissionlinks,inpassiveopticalelements,hasmadeitpossibletoconsidertheuseofwhichwavelengthbecomesanintegralpartoftheinter-wavelengthasanotherdimension,inadditiontoti

4、meandspace,inconnectionfabric.Ourinterestshere,then,areinthenewnetworkandswitchdesign.Theindependenceofopticalsignalsatdif-networkarchitectureswhicharemadepossiblebythisferentwavelengthsmakesthisanaturalchoiceformultiple-accessnet-works,forapplicationswhichb

5、enefitfromsharedtransmissionmedia,multiwavelengthtechnologyandinthedirectionsandca-andfornetworksinwhichverylargethroughputsarerequired.pabilitiesofthetechnologiesthemselves.Inthispaper,wereviewrecentprogressonmultiwavelengthnet-Afewdefinitionsoftermsareinor

6、der.Itiscommonworks,someofthelimitationswhichaffecttheperformanceofsuchtorefertodenseWDMforsystemswherethewavelengthnetworks,andpresentexamplesofseveralnetworkandswitchpro-spacingisontheorderof1nmandtoopticalfrequencyposalsbasedontheseideas.Wealsodiscussthec

7、riticaltechnologiesthatareessentialtoprogressinthisfield.divisionmultiplexing(FDM)forsystemswheretheop-ticalfrequencyspacingsareontheorderofthesignalI.INTRODUCTIONbandwidthorbitrate.Suchadistinctionisusefulinin-HEadventofasingle-modeopticalfiberhaspre-dicati

8、ngthefrequencyandwavelengthscalesofinterestTsentedcommunicationsengineerswiththeexcitingandthedegreeofcomplexityrequiredinthecontrolanddilemmaofatransmissionmediumwhichhasaband-selectionofwavele