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Who__kesWhat:40-100-Gbit/sSystems40/100Gtran__issionembra__sarangeoftechnologiesandhaspotentiallywideapplications–fromtranso__anicnetworksthroughthemetroandonintoequipmentbackplanes–soitslong-termimpactislikelytobeconsiderableandwidespread.ForthisWho__kesWhathoweverthe__ininterestistakentobetelecomnetworktransportapplicationswhichmeansessentially:40GSonet/SDHOC768/STM256andthehigher-rateITU-TOTNsOTU3/OTU4Longer-rangeversionsof40and100GEthernet.Formoreon40/100Ginequipmentpracti__especiallyATCAetc.see40-100-Gbit/sTechnologyComponents.Thelistofoperatorsandcarriersnowmovingtoorwithsome40GimplementationsnowcontainssomebignamesseeTable1forsomere__ntexamplesreportedbyLightReadingalthoughnoteveryoneisconvin__dbythe40GargumentseePage4:StickyQuestions.Incontrast100GisstilllargelyexperimentalortrialingbutimplementationsarevaguelybeginningaswitnessedbyfinancialexchangeNYSEEuronextandCienaCorp.Nasdaq:CIENannouncingin__rch2009planstoimplement100GnetworkstosupportNYSEEuronext’snewdata__ntersinthegreaterNewYorkandLondonmetropolitanareasduring
2010.Table1:Re__nt40GNetworkImplementationsReportedbyLightReadingCarrier/operatorLocation/dateImplementationAboveNetUSa/__y200940Gmetroservi__in15US__rketsBellCanadaCanada/September200840GopticalbackbonenetworkChinaTelecomChina/August200840Gtran__issionnetworkChinaUnicomChina/De__mber200840GWDMtransportnetworkDeutscheTelekomGer__ny/July200840GDWDMcorenetworkKPNBelgium/September200840GupgradetoopticalbackbonenetworkLightowerFiberNetworksUSA/June200940Gbandwidthservi__forcarriersandlargeenterprisesMediacomCommunicationsUSA/De__mber200840Gupgradetoregionalnetworksupportingtriple-playservi__sNeosUK/__rch200840Gnetworkfordeliveryofbandwidth-on-de__ndforUKbusinessesRascomRussia/July200840Gupgradetolong-haulopticalnetworkRoEduNetEducationalNetworkRo__nia/November200840G-readynetworklinkingnationaleducationalandresearchfacilitiesSouthernCrossCablesUSA/June200840Gupgradeto10GterrestrialfeedertotranspacificcablenetworkSprintNextelUSA/November200840Gtransatlantictran__issiontrialSURFTelecomsUK/De__mber200840GupgradetoregionalopticaldatanetworkTelefónicaSpain/November200840Gtran__issionnetworkTelusCanada/De__mber200840GnetworkupgradeTransTeleComRussia/__y200840GcommercialtransportnetworkconnectingMoscowandSt.PetersburgTritonTelecomCaribbean/October200840GsystemlinkingFloridaPuertoRicoDominicanRepublicandJamaicaVirginMediaUK/__y2008Lights40GpathSour__:LightReading200940Gisalsohittingthedata__nter.Inlate2008forexampleMellanoxTechnologiesandDellclaimedtheworld’sfirstdemonstrationof40GInfiniBandinterconnecttechnologyforbladeserversbyusingMellanox’sre__ntlylaunchedInfiniBandConnectXAdapter.Thecombinationofhi-techRD__ny__allerspecialistcompanies__rketevolutionandaglobalre__ssionmust__ke40/100GoneofthefewcurrentbrightspotsforMAtypesjudgingbythenumberofmergersacquisitionsandsimilarannoun__ments__deoverthelastyearorso.Examplesare:AegisLightw__eInc.acquiredCardinalPointOpticsApril2008–opticalchannelmonitorsandAOFR__rch2009–fusedfibercouplers__anexandBookhammergedApril2009–opticalcomponentsmodulesandsubsystemstoformOclaroInc.EXFOElectro-OpticalEngineeringInc.Nasdaq:EXFO;Toronto:EXFacquiredPicoSolveFebruary2009–opticalsamplingoscilloscopesfor40Gand100GRDFinisarCorp.Nasdaq:FNSRmergedwithOptiumAugust2008GigOptixInc.OTC:GGOXacquiredHelixSemiconductorsJanuary2008–opticalphysical-media-dependentICsandmergedwithLumera__rch2008–modulatortechnologyOpnextInc.Nasdaq:OPXTacquiredStrataLightCommunicationsJanuary2009–40/100GproductsandsubsystemsThorlabsInc.acquiredtheassetsofCovega__rch2009–indium-phosphideandlithium-niobatecomponentsandmodulesfromownersGemfireCorp..PreviouslyGemfireandCovegahadmergedFebruary
2008.Thislistemphasizesthepointexpandedonlaterthatopticaldevi__sandmodulesarecrucialto40/100Gandarewherealotofcurrentproductdevelopmentistakingpla__.Weh__etriedto__kethelistingascompleteaspossibleinthetime__ailableforitscompilationbutthisiswhereyouDearReadercanhelpwithanycompaniesthath__ebeenmissed.Enviro__entTechnologyBasic40Gtran__issionsystemsh__ebeenaroundforawhileinultra-long-haulandlong-haulapplicationsbut40GisnowspreadingthroughthecoretootherpartsofthenetworkparticularlyformetroROADMsas40GbecomesmoregenerallydeployedseeTable
1.__rketresearchcompanyOvumLtd.hasesti__tedthatbylate2008morethan30networkoperatorsworldwidehadspentover$250millionsin__2005indeploying40G.Andthefuturelookspotentiallybright.Accordingto__rketresearchcompanyInfoneticsResearchInc.theglobal__rketfor40Gand100GopticalnetworkequipmentshouldgrowatacompoundannualgrowthrateCAGRofaround46per__ntfrom2009to2011toreachUS$
5.1billion.OfcoursethecurrenteconomicslowdowniscloudingtheissueandInfoneticsstressesthatforopticalnetworksgenerallymuchdependsonwhetherservi__providersdofollowthroughduringthesecondhalfof2009withtheirindicatedspending.Vendorsarenaturallyresponding.Anearlycommercialproductexemplifyingofthetrendtoend-to-end40GisHuaweiTechnologiesCo.Ltd.’sE2E40GInternetProtocolIPandopticaltransportsolutionannoun__dinFebruaryattheMPLSEthernetWorldCongress2009inParis.ThissupportsIP-basedultra-broadbandservi__sbycombiningthecompany’sNetEngine5000Ehigh-endrouterand40GDWDMtransportsystem.Essentiallythemoveto40Gnowand100Glaterbutthesequen__isdisputed–seePage4:StickyQuestionsrestsonthestandardtelecombandwidth-growthstory.Bandwidthde__ndsonthecoreareincreasingbecauseofthegrowthofIPtrafficvideoandsoon.Videotrafficinparticularhasemergedasa__jordriverformorebandwidth–Ciscohasesti__tedthatvideowillrepresenthalfofconsumerIPtrafficby2012andtotalIPtrafficwillbesixtimesgreaterthenthanin2007–and40Gisseenbyitsadherentsasakeywayofhandlingrouterinterconnectioninthisenviro__entbyaggregatingmultipleexisting10Glinksontoa__allernumberof40Gones.Anotherveryimportantdriverisfiberexhaustbothonmetroandlong-haulrouteswhich__kesitimportanttosqueezemoretrafficontoexistingfiber.Althoughitispossibletostackmultiple10Gstreamsontofibertoachievea4x10Gequivalentto40Gcapacityforexample40Gsupportspointoutthatthisisnotefficientintermsofrouterportusage–a4x10Ginte_____onarouterportislessefficientthanasingle40Gone.Althoughsuchasingle40Ginte_____ismoreexpensivethanasingle10Gonethecostfactorwhichhasimprovedconsiderablyoverthelastcoupleofyearsorsoislikelytoapproachabout
2.5timesthatofasingle10Ginte_____.Sotheindustryishopingthat40/100Gwillscoretwi__withoperators:Itwillcopewiththetraffic/bandwidthexplosionandwills__emoneybybothreducingportcountsandassociatedoperationalexpendituresandextendingthelifeofexistingfiberassets.100G100Gisstillunderdevelopmentbutfirststandardsarescheduledtoappearend-2009andduring2010seebelow.Thereh__ebeenvariousdemonstrationsandtrialsandresearchinitiativesestablishedasTable2indicates.Table2:Re__nt100GDemonstrationsTrialsInitiativesCompany/organizationLocation/dateActivityATT1NECCorporationofAmericaandCorningInc.USA/__y2008Tran__issionofdataat114Govereachof320separateopticalchannelsonasingle580kmopticallyamplifiedlinkBanverketSweden/April2009Livefieldtrialrunning10G/40G/100GsimultaneouslyonexistingfibernetworkbetweenSundsvallandStockholmDeutscheTelekomandEricssonGer__ny/__rch2009100GRDfieldtrialonexistingopticalplatformaspartofEuropean100Gbit/sCarrier-GradeEthernetTransportTechnologiesProjectCienaUSA/August2008Demonstrationofsinglew__elengthtran__issionofa100Gdatastreamthrough80kmoffiberwithCaltechGeorgiaInstituteofTechnologyUSA/__rch2009EstablishestheGeorgiaTech100GOpticalNetworkingConsortiumwith10companiestoperformmultidisciplinaryresearchinallaspectsof100Gtran__issionGlobalAc__ssandInfineraJapan/January2009CompleteJapansfirst100GEthernetdemonstrationbetweenTokyoandOsakaNeosNetworksUK/__rch2009Trialof100GDWDMopticalsystembetweenManchesterandLondonVerizonUSA/September2008Moves100Gtrialsprogramtonextstagewithover1000kmrunoutonRichardsonTexasnetworkSour__:LightReading2009Particularlyinthecontextofa100Gopticaltran__issionsystemit’simportanttobeclearonthedifferen__betweentheexternalclientinte_____andthesystem’sinternallineinte_____.Althoughasystem__ypresenta100Gclientinte_____thefiberlinetran__issioncouldbehandledbysay10opticalw__elengthsof10Geach10x10Gfor__torbymultiple40Gopticalw__elengths.Thegoalhoweveristo__tchboththeclientandlineratessothatasingle100GopticalsignalgoesontoasingleDWDMw__elength–whichiswhyCienatrumpeteditsCaltechdemonstrationinTable2asitsaidthatthiswasthefirsttruesingle-w__elengthtran__issionofa100Gdatastreamthrough80kmoffiber.StandardsFromthepointofviewofmoretraditionaltelecomprotocols40Ghasbeenstandardizedforsometime–it’s40GSynchronousOpticalNetworkSonet/SDHOC-768/STM-256whichcanbetransportedinturnbytheInternationalTelecommunicationUnionStandardizationSectorITU-T’sG.709digital-wrappertechnologyOpticalTransportNetwork–OTN43-Gbit/sOTU3s.WorkhasbeenunderwayforacoupleofyearsorsoonthenextlevelupforOTNwhichisverylogicallyOTU4andequallylogicallyisintendedtobe__ailabletotransport100GEthernet.TheITU’sStudyGroup15re__ntlyApril2009approvedanamendmenttothe2003secondversionofRecommendationG.709/Y.1331thatspecifies100Gbit/sODU4/OTU4supportofgigabitEthernetservi__sviaODU0ODU2eODU3andODU4multi-laneOTU3andOTU4andtheLowerOrderandHigherOrderODUcon__pttoalignwiththeone-stagemultiplexingspecificationdescribedinclause
9.2ofRecommendationG.
872.Whichpresu__blymeansinstandards-speakthatalltechnicalbasesarecovered.Ethernetandespecially100GEthernetistherealfocusofinterestbecauseofitsrelentlessriseasauniversalLayer2networktechnologytounderpinIP.Sin__De__mber2007theInstituteofElectricalandElectronicsEngineersInc.IEEE’sP
802.__aTaskFor__hasbeenworkingtodefineboth40and100GEthernetstandardswithatargetdateof2010forcompletion.BecauseEthernetisnowusedoverarangeofscalesfrommeterstotensofkilometerstheeventualstandardswillembra__differentPhysicalLayersthosemostrelevanttotelecomnetworkapplicationbeing:10kmrangeonsinglemodefiber–both40and100G40kmrangeonsinglemodefiber–100GonlyHoweverthesearenotgoingtoprovideahe__yweight100Gtelecomtransporttechnologyforthemetroorcoreandarereallyorientedtowardscampus-stylenetworksandalongwiththeshorter-rangeversionsconnectivityforclientinte_____s.Notonlyistherangetooshortbutthereare__jorissuesofspectralefficiency.Insteadthekeyimportan__of100GEthernettotelecomnetworksisasastandard100-Gbit/sclientinte_____tonetworkequipment.Insum__ry
802.__aaimsto:Supportfull-duplexoperationonlyPreservethe
802.3/Ethernetframefor__tutilizingthe
802.3__CPreservetheminimumand__ximumframesizesofthecurrent
802.3standardSupportaBERbetterthanorequalto10E-12atthe__C/PLSservi__inte_____ProvideappropriatesupportforOTNSupport__Cdataratesof40and100Gbit/sForashortoverviewoffurtheraspectsof40/100GEthernetstandardssee40-100-Gbit/sTechnologyComponents.Overallthisactivitymeansthatthe40/100Gclientinte_____isEthernetandtheWANinte_____iseitherOTU3/OTU4orEthernetforshorterspans.Asalwaysinteroperabilityissuesgapfillingandother__tterswillloomlargeinthecommercializationof40/100GEthernetandvariousindustryinitiativesh__ealreadysprungup.Forexampletheshort-livedRoadto100GAllian__latermergedwiththeEthernetAllian__formedatechnicalcommitteeinJune2008“toidentifygapsintechnologyandstandardsthatcouldimpacttherolloutof100GOTNandEthernetnetworkingplatforms”astheAllian__states.Multi-sour__agreementsMSAsh__elongbeenafeatureofthetelecomequipmentindustryastheycommitgroupsofsupplierstosupporting__rtainstandardizedmoduleordevi__formfactorsinte_____sandcharacteristics–and40/100Gisnoex__ption.In__rch2009forexampleFinisarOpnextandSumitomoElectricIndustriesLtd./Ex__LightCommunicationsInc.formedtheCFPMSAwhoseaimistodefineahot-pluggableopticaltrans__iverformfactortoenable40and100Gapplicationsincluding40GbE100GbEOC-768/STM-256andOTU3protocolsmultimodeandsinglemodefiberopticsandvariouslinkdistan__s.TheearlierXLMD-MSAformedbyEudynaDevi__sInc.MitsubishiElectricCorp.Tokyo:6503NECElectronicsCorp.OkiElectricIndustryCo.Ltd.OpnextInc.Nasdaq:OPXTandSumitomoElectricIndustriesin2007hadthemorelimitedaimsofestablishingcompatiblesour__sof40Gopticaltran__itterandre__iverdevi__sembeddedinto40Gopticaltrans__ivermodules.Inbetweenin__y2008theOpticalInternetworkingForumOIFcon__rnedthatdevi__andmodulevendorsinparticularwerebeginningtoscrambleindifferentincompatibledirectionsover100GformedaconsensustouseDP-QPSKmodulationwithacoherentre__iverin100Glong-distan__DWDMtran__issionandlaterlaunchedtwomoreinitiativestolookatphotonicintegrationandtheuseofForwardErrorCorrectionFECinsuchsystems.VendorProductCategoriesThebasicapproachofthisWho__kesWhatistousethreebroadproductcategoriesinterpretedasfollows:Systems.Thehigh-levelnetwork/transportsystemsorentitiessoldtonetworkoperatorsastheendproduct.Thisusuallymeansataminimumanopticaltransportproductorfamilyincorporating40/100GWDM/ROADMcapabilitiesbut__yincludeswitches/routerswith40Gcurrentlyinte_____s.Devi__s/Modules/Subsystems.Thisformsaverybroadcategorycoveringthewiderangeofhardwareelementsusedinend-product40/100Gsystems.To__kethiscategory__nageableitisbiasedtowardshardwaredevi__sandassembliesthatprovide40/100G-specificfunctionalcapabilities.Forexamplemodulators/demodulatorstranspondersmultiplexers/demultiplexersnetworkpro__ssorsandSerDeschipsets–butnotlasersthemselvesphotodiodesopticalcouplersw__elengthswitchingmodulesorfiberforexample.Someitemsoperatepurelyintheelectricaldo__insuchasSerDeschipsetswhileothersareopticalorpartopticalsuchaslasermodulators.It’sworthstressingthatintheoptical-tran__issionworldmoduleoftenmeansanassemblyinastandardformfactorsuchas300-pinorSFF.TestMeasurement.Thisisaself-evidentcategorybutbiasedtowardstheopticalaspectsof40/100G.Table3listsvendorsagainstthesebroadcategoriesfor40Gand100Gapplications.A__inideaistousefurtherTablestoshowvendors’generalproducttypesorspecificproductstoclarifythedistinctionswithinthecategoriestogivemoreinfor__tionandtodistinguishbetween40and100Gproductactivitieswhenne__ssary.Table3:40/100GVendorsVendor40Gsystems40Gdevi__s/modules/subsystems40GTM100Gsystems100Gdevi__s/modules/subsystems100GTMADVAOpticalNetworkingYesAegisLightw__eYesYesYesYesAgilentTechnologiesYesYesAlcatel-Lu__ntYesAlteraYesYesAMCCYesYesAnritsuYesYes__agoTechnologiesYesYes__vioNetworksYesYesBayMicrosystemsYesBaySpecYesYesBreakingPointSystemsYesCienaYesYesCiscoSystemsYesCoreOpticsYesCortinaSystemsYesCovegaYesCubeOpticsYesYesDigitalLightw__eYesDiscoverySemiconductorsYesYesDuneNetworksYesYesECITelecomYeseGTranYesEkinopsSASYesEnablen__TechnologiesYesYesYesYesEricssonYesEx__lightCommunicationsInc.--seeSumitomoEXFOElectro-OpticalEngineeringInc.YesYesEZChipTechnologiesYesFinisarYesFujitsuYesYesGigOptixYesYesHitachiYesHuaweiTechnologiesYesIDTIntegratedDigitalTechnologyYesInfineraYesYesInphiYesIxiaYesYesJDSUUniphaseYesYesLatti__SemiconductorYesLuxteraYesMellanoxYesMicramYesMinteraYesMitsubishiElectricCorporationYesMonitoringDivisionInc.YesMorethanIPYesYesMRVCommunicationsYesYesNardaMicrow__eYesNECYesNetLogicMicroSystemsYesNisticaYesYesNokiaSiemensNetworksYesNortelYesYesOclaroYesOfidiumYesOkiOpticalComponentsYesYesOpnextInc.YesYesOptametraLLCYesYesOptoplexCorporationYesYesOpVistaYesYesYesYesPhotopYesPicometrixYesSanturYesYesSHFCommunicationTechnologyYesYesYesSierraMonolithicsYesYesSumitomoElectricIndustriesLtd./Ex__lightCommunicationsYesSunriseTelecomYesTektronixYesYesTeleoptixYes____absYesTeraXionYesu2tPhotonicsYesYesVISystemsYesXeleratedYesYesXteraCommunicationsYesYesYokogawaYesYesZTEYesYesindicatesproductsindevelopmentattimeofwriting.Sour__:LightReading2009StickyQuestions40or100G40Gisbeginningtospreadintothewidernetworkbut100Gisstillbeingdeveloped.Aquestioniswhether40Gwillbecomenomorethanastopgapuntil100Gbecomescommercially__ailableinstandardizedform.Vendorsalmostinevitablydisagreeontherelativestatusofthetwotechnologies.____absInc.Nasdaq:TLAB;Frankfurt:BTLAforexamplehasarguedthatas100Ghassomewaytogobeforeitwillbeproperlycommercialized__ybeinacoupleofyearsorsothisle__esaconsiderablewindowofopportunityfor40G.Itisagoodsolutionandwillgainconsiderablemomentumandsowillbearoundforalongtime.Further____abs’systemswillallow40Gand100Gtocoexistsothatcustomerswillh__eamigrationpath.Cienaontheotherhandhasbeenmoreskepticalsayingthatitislikelythat40Gwillbedeployedonlyinlimitedareasofnetworkcapacityuntil100Giscommercially__ailable.NTTAmericaInc.forexamplehasnoplanstoengagewith40Gequipmentbeyonddata__nterapplicationsof40GEthernetbutdoesexpecttodeploy100GEthernetextensivelywhen100GEthernetinte_____sbecome__ailableacrosstherouterandswitchplatformsin
2010.100GEthernetwhen__ailablewillprovideanupgradepathforexistingNx10Glinksusedbothinlong-haulandintra-POPapplicationssaysDorianKimNTTAmericasDirectorofNetworkDevelopmentGlobalIPNetworks.Forlong-haulapplicationweexpect100GEthernettoofferacost-competitiveandmoresubstantiveupgradepathalternativeto40GOC768technology.Weareworkingwithourtransportpartnerstofieldtrial100GEthernetassoonasfeasible.Hearguesthatintheintra-POPapplicationNx100GEthernetwilloffera__ootherandmoreoperationallyefficientupgradepathoverexistingNx10GEthernetlinks.FurtherNTTAmericaisseeingade__ndfor100GEthernetasacustomerhandofftechnologyforCDNsandthelargecarriersegmentsofitscustomerbase.Allthisaddsuptoaclearneedfor100GEthernet.100GEthernetslimitationsandun__rtaintiesThe10and40km-rangeformsofthe
802.__astandarddonotenvisageputtingasingle100-Gbit/ssignalontoasingleopticalw__elength.Insteadthestandardproposesopticallymultiplexinglower-bitratestreamsontofourw__elengthsonthewidelyspa__d800GHzgridinthe1310__windowtoprovideaparalleled4x25-Gbit/sstructure.Thisisessentiallybecauseofthedifficultiesofimplementing100-Gbit/sserialdatastreamsevenwithmodernelectronics.Thecombinationof800GHzgridandparallelchannels__kes
802.__atoospectrallyinefficientforhe__yweighttelecomuseirrespectiveofrangelimitations.ModulationschemesOperatorsarenotgoingtoinstallnewoverlayfiberandnetworkstosupport40/100Gsosuchtran__issionhastobeachievedwithintheconstraintsoftheexistingfiberandITU-T__DM/DWDMopticalw__elengthgrids.Althoughitispossibletosupportforexample100Gclientinte_____sbyinversemultiplexingparallellanesofsay10Gina10x10Gfor__tthiscreatesoperationalcomplicationsin__nagingsuchgroupsofw__elengthsanddoesn’tincreasethetran__issioncapacityofthelinksornetworkasawhole.Todothatmeansincreasingtheper-w__elengthbitrate–ideallyto40/100Gpersinglew__elength.Theonlywaythatthiscanbedonewithinthebasic50GHzopticalchannelspacingoftheITU-TDWDMgridistousecomplexmodulationtechniquesreminis__ntofthosedevelopedforearlierwirelineandwirelesscommunications.Notonlydothesetechniquesneedtosqueezemuchmoreinfor__tionintoanexistingchannelbandwidthbuttheyh__etobeextremelyrobustagainstopticaltran__issionimpairmentsandthesebecomemorepronoun__dasbitratesincrease.ADVAOpticalNetworkingFrankfurt:ADVhaspointedoutthatwithconventionalmodulationmethodssuchasthelong-establishedOn-OffKeyed–OOK–modulationa100-Gbit/ssignalwouldbe100timesmoresensitivetofiberchro__ticdispersionCDand10timesmoresensitivetopolarizationmodedispersionPMDthana10-Gbit/ssignal.__nyschemesh__ebeenproposedusingcombinationsofopticalamplitudephaseandpolarizationmodulationandmuchcontroversyhasfollowedastowhichifanyisthebestsee40-100-Gbit/sTechnologyComponentsandassociatedmessageboardforsomeexamplesofschemesandcontroversy.FormetroandregionalapplicationsforexampleDPSK-3ASKusingdirectdetectionand40Gelectronicsisf__oredbyADVA.Theessentialtechniqueofanycomplexmodulationmethodistoincreasethenumberofinfor__tionbitscarriedbytheopticalsignalstran__ittedoverthelinesothattheelectronicsandopticscanrunmoreslowlythantheinfor__tionordatarate.Thismeansforexamplethata100Ginfor__tionbitratecouldbetransportedbyanoptical40Glinesignalratethebaudrateifeachopticalsignalcarries
2.5infor__tionbits.ThisiswhatDPSK-3ASKdoes.Dual-polarizationquadraturephase-shiftkeyingDP-QPSKhasemergedasanOIF100Glong-haulf__oriteasnotedaboveandappearstoh__eachievedconsiderable__rketac__ptan__–Nortelaloneclaimsmorethan40customersforitsin__April
2008.Butasalwaystherearetradeoffsamongfeasibilityperfor__n__andcostofmodulationschemesanddifferentvendorsarelikelytocontinuetodiffer.Thereisthusacircleofinnovationappearinginwhichvendorsareusingmodulationandadvan__dsignalpro__ssingtoamelioratefiberimpairmentsasasour__ofdifferentiation.AsthelaterpageonDevi__sModulesSubsystemswillshowthereisahugeburstofactivityindeveloping40/100Gopticalmodulators.Andsystemsvendorsarealsoinontheactbyofferingforexample–asCienadoes–combinationsofmodulationfor__tandCD/PMD__nagementtoeasethemigrationof10Gto40Gw__elengths.InanutshellresearchanddevelopmentcontinuetheEuropeanGETprojecttodevelopa100-Gbit/sprototypemetromuxponderisanexamplesowatchthisspa__.SystemsAlthoughnewtelecominfrastructureisthegoalandendproductofmuchofthe40/100Gtechnologydevelopmentproductdevelopmentatthesystemlevelhassofartendedtobeevolutionaryratherthanrevolutionary.Allthe__jortelecomsystemsvendorsh__ebynowintrodu__d40Gcapabilitiesintotheirnetworkinfrastructuresolutionsandsomevendorsarebeginningtopositiontheirsystemsas100G-ready/compatibleseeTable
4.Unsurprisinglythesystem__rketisdominatedbyarelatively__allnumberoflargeplayerswithafew__allerspecialistsusuallyontheDWDMorline-tran__issionside.Table4:40/100GSystemsVendorsVendorProducttypesincludeADVAOpticalNetworking40GWDMopticaltransportsystemAlcatel-Lu__nt40GDWDMopticaltransportsystemandmultiservi__switches__vioNetworks40GROADMsCiena40/100Gopticaltransportsystemandservi__splatformCiscoSystems40GIPoverDWDMtransportnetwork40GcarrierroutersECITelecom40GROADMsEkinopsSAS40GopticaltransportsystemEricsson40GDWDMsolutionFujitsu40G-compatibledispersioncompensators40Gmetro/regionalROADMplatformsHitachi40Gopticaltran__issionsystemHuaweiTechnologies40GIPandopticaltransportsolutionNetEngine5000E40GOpticalTransportNetworkandDWDMsystemInfineraILS2next-generationopticallinesystemDTNswitchedDWDMsystemMRVCommunications40GPacketOpticalTransportNetworkingincludingLambdaDriverWDMOpticalTransportNEC40GopticaltransportsystemDW4200Metro/RegionalROADMNokiaSiemensNetworks40GopticaltransportsystemshiT7300Nortel40/100Gopticaltransportsystem40G/100GAdaptiveOpticalEngineOpticalMultiservi__Edge6500OpVista40/100GCX8opticalnetworkingsystem____absOpticalTransportSystemwith40GtranspondermoduleXteraCommunications40/100G-readylong-haulopticallinesystems40G-readymetroWDMopticaltransportplatformsZTE40G-configurablelong-haulDWDMtran__issionsystemSour__:LightReading2009Essentiallyvendorscaninthe__inevolvefrom10Gto40/100GbyintroducingnewlinemodulesROADMcapabilitiesandsoonintotheirexistingDWDM-basedsystemsasneededasthewholepointofthestandardsisto__intaincompatibilitywithexistingw__elengthgrids.Thisfitsinveryni__lywiththenetworkoperators’intentionofimplementinghighercapacitylargelyonanas-neededbasisratherthanasacompletenetworkrebuild.Notethatthisisallreallyaboutnetworktransport–OTNOTU3sSonet/SDHOC768/STM256multiplexed10Gnetworktrafficonto40Gw__elengthsandsoon–notputtingclientinte_____ssuchas40/100GEthernetwhichdon’tproperlyexistyetontonetworkboxes.Neverthelessthepa__of40Gsystemdevelopmentdoesseemtoh__eac__leratedre__ntlyasTable5illustratesandvendorsareenhancingtheirearliersystemsormovingtoanewgeneration.AnexampleisFujitsuNetworkCommunicationsInc.snew40Ginte_____sforitsFlashw__e7500ROADwhichthecompanysaysofferimprovedopticalperfor__n__butwitha50per__nt__allerunits.Inprinciple40GshouldslotneatlyintoexistingDWDM-basedsystemsbutthereareobviouspracticalissuesaboutlegacyfiberimpairmentsandtran__issionrangesforexampleandthesearetypicaloftheissuesaddressedbyre__ntsystemsdevelopments.Table5:ExamplesofRe__nt40GSystemDevelopmentsDateVendorProductdevelopmentsincludeJune2007CienaAnnoun__sFlexSelect40GShelfforCoreStreamAgilityOpticalTransportSystemandCN4200FlexSelectAdvan__dServi__sPlatformFamily.Includedadaptivedispersion__nagementtoaddressphysicalimpairmentsassociatedwithoffering40Gservi__soverlegacyfibernetworksJune2007____abs40Gtranspondermodulefor7100OpticalTransportSystemOTS__rch2008NortelLaunches40G/100GAdaptiveOpticalEngineplatformJune2008OpVistaAnnoun__sCX8OpticalNetworkingSystembasedonthecompanysre__ntlyintrodu__dDenseMulti-CarrierDMCtechnologyJuly2008CiscoSystemsEnhan__mentstoIPoDWDMsolutionandCiscoXR12000and12000SeriesroutersincludingdoublingreachofCiscoCRS-140GIPoDWDMto2000kmwithoutregenerationAugust2008__vioNetworksIntrodu__sA4025EedgeROADMSeptember2008CiscoSystemsNewEthernetSeriesPlus40GlinecardfortheCisco7600SeriesroutersNovember2008EkinopsAnnoun__s2009lauchof40Gtransportplatformsinitiallywith4x10Gmuxponderenabling160channelsof10Gtran__ission.Laterwilloffera40Gserialinte_____tooffer320channelsof10Gor80channelsof40GinC-BandFebruary2009HuaweiTechnologiesAnnoun__sthatend-to-end40GIPandopticaltransportsolutionincludinghigh-endrouterNetEngine5000Eand40GOpticalTransportNetworkandDWDMsystemisreadyforcommercialdeployment__rch2009NokiaSiemensNetworksIntrodu__scompact7-rack40GplatformforhiT7300opticalplatform.IncludesoptionalPolarization-Mode-DispersionCompensatorwhichcompanysayshelpsolderlower-qualityorstressedfibersachieveuptothreetimestheircurrentreach__rch2009ZTELaunchesin____igentW__elength-DivisionMultiplexingsolutionwithSTM-256capabilityJune2009FujitsuNetworkCommunicationsAnnoun__ssecondgeneration40Gsinte_____sforitsFLASHW__E7500ROADM.UseanAdaptiveDifferentialPhase-ShiftKeyingADPSKmodulationschemeandFujitsusVariableDispersionCompensationVDCSour__:LightReading2009Onthe100Gsidealthoughforexample100-Gbit/sWANsarebeginningtofindInfiniBandapplicationsandearlymovesbeing__dein100GigEPHYsandvariousdemonstrationsseeTables2and3h__ebeendoneofworkingtrialtelecomsystemsit’sreallytoosoontobethinkingintermsofdefinitecommercialproductsonanyscale.FairlytypicalofthebiggerplayersareHuaweiTechnologieswhichinJuly2008announ__ditsprototype100GWDMsystemandNortelwhich__deasimilarannoun__mentafewmonthsearlier.Anexampletoprovidecontexttothechangesbeingbroughttoopticaltran__issionsystemsgenerallythroughthemoveto40/100GisInfineraCorp.Nasdaq:INFN’sILS2next-generationopticallinesystemlaunchedinJune
2008.Accordingtothecompanythisusesa25GHzw__elengthgridtopackupto160DWDMchannelsintotheC-bandwithanopticalreachto2500kmandwithfuturescalabilityofupto8Tbit/sonasinglefibersupporting10/40/100-Gbit/sservi__delivery.Devi__sModulesSubsystemsIIncomparisonwithsystemsthedevi__s/modules/subsystemscategoryishe__ilypopulatedwith__ny__allercompaniesandisreallywherethe40/100Gactionis–atorrentofnewproductshasappearedoverthelastyearorso.Table6listsvendorsandtheirtypicalproducttypes.Table6:40/100GDevi__sModulesSubsystemsVendorsVendorProducttypesincludeAegisLightw__e40/100GDWDMopticalchannelmonitorsAltera40/100GEthernettrans__iversforchip-to-chipbackplaneandcableapplicationsAMCC10G/40G/100GPHYframer__pperandtrans__ivercomponents__agoTechnologies40/100Gparallelopticalmodules__vioNetworksEDFAs__DM/DWDMmux/demuxOADMsBayMicrosystems40Gnetworkandtransportpro__ssorsBaySpec40G-dis__rnableopticalchannelperfor__n__monitorsCoreOptics40-Gbit/sSerializer/Deserializerchipsets40GSingle-ChannelShort-Reachand40/43GDWDMtranspondermodules43Gbit/sUltra-FEC40GMux/DeMuxfor4x10GclientsignalsCortinaSystems40GSonet/SDHFramerandPOS__pperCovega40Glithium-niobatemodulatorsCubeOpticsMiniatureelectro-opticalmodulesfor40Gand100Gtelecommunicationstrans__iversDiscoverySemiconductors40Gre__iversquadphotodiodearraysfor40/100GopticalcommunicationsDuneNetworks40/100G-capableswitchingfabricsandtraffic-__nagementpro__ssorseGTran40GtranspondersandICsincluding40Gtransimpedan__amplifiersand40Glaser/modulatordriversEnablen__Technologies40G-AWGschannelmonitorsvariableopticalattenuatorscrossconnectsphotodiodestunabledispersioncompensatorsROADMs.100G-AWGschannelmonitorsvariableopticalattenuatorsphotodiodesTOSA/ROSAEZChipTechnologiesIndevelopment100GNP-4EthernetNetworkPro__ssorFinisar40Gclient-sideandline-sidetransponders;40GDWDMRZ-DQPSKtransponderFujitsu40G-compatibledispersioncompensators40Gmetro/regionalROADMplatformsGigOptix40/100GMZEADriverAmplifiersVCSELDriverAmplifiers40GPolymerModulators40/100GTransimpedan__AmplifiersIDTIntegratedDigitalTechnology40G-capablesearch/routeac__leratorsInphi28Gbit/sdifferential__ch-Zehndermodulatordriver43Gtransimpedan__amplifiersJDSUUniphase40GDQPSK__ch-ZehndermodulatorsLatti__SemiconductorLatti__SC/MFPGA40GSERDESFramersLuxtera40Gopticalactivecablefordata-__nterinterconnectsQSFPopticaltrans__iversMellanox40GInfiniBandHostChannelAdaptersMicramMultiplexerdemultiplexerandMSDFFcomponentssupporting30-60Gbit/s100G-capableDAC/ADCchipsMintera40GDWDMDPSKtranspondersMitsubishiElectricCoroporation43Gopticaltran__ittersandre__iversMonitoringDivisionInc.40Gopticalperfor__n__monitoringMorethanIPDesignsfor40/100GEthernet__CandPCSNardaMicrow__e40GdatadriverandtimingoscillatormodulesNetLogicMicroSystems40/100GEthernetPHY40Groutingpro__ssorsNistica40/100G-compatibleROADMmodulesOclaro40GODQPSKtunabletran__itters40GmodulatorstunabledispersioncompensatorsOfidiumIndevelopment100Gtrans__iversOkiOpticalComponents40Gopticalmodulatorsandmodulatedlasers40/100GEMLdriversOpnextInc.40GOTS-4000seriesopticalterminalsubsystem;40Gtrans__iversVSRP__TDPSKDQPSK;100GbEopticaltrans__iverOptoplexCorporation40GDQPSKdemodulators;100GDQPSKdemodulatorandQPSKmixerOpVista40GMuxponder40/100GCX8opticalnetworkingsystemPhotop40GOpticalDQPSKDemodulatorPicometrix40Gclient-sideNRZandline-sideDPSKandDQPSKopticalre__iversSantur40Gand100GDFBtunablelasers;100Gtrans__iverplatformSHFCommunicationTechnology40Gclock-recoverysolutionsSierraMonolithicsCommunicationICsfor40Gopticalnetworks40Gmuxanddemux100GmuxanddemuxchipsetSumitomoElectricIndustriesLtd./Ex__lightCommunications100GEthernetopticalinte_____Teleoptix40Gmodulesandcomponents:MSA300-pintranspondersbalan__dphotore__iversEDFApreamplifiersTeraXionTunabledispersion-compensationmodulesfor40Gu2tPhotonics40Gphotore__iversbalan__ddifferentialsingleended100Gphotodetectors40GHzACcoupled50GHz70GHz100GHz50GHzbalan__ddetectorsDCcoupledVISystems25Gand40GVCSELat850__andphotodetecorchipsforupto40Gfiber-coupledmodulessuchasre__ntphotodetectormoduleD30-850MforlabtestsXelerated40/100Gnetworkpro__ssorsYokogawa40GtranspondersDQPSKandNZ-DQPSKphotodiodemodulesmux/demuxsSour__:LightReading2009InashortWho__kesWhatit’simpossibletoconsidereverytypeofdevi__moduleorsubsystemrelevantto40/100Gequipment.Fortunatelythatisn’tne__ssarybecausemuchofthedevelopmentactivityhasbeencon__ntratedinafewkeyareasincluding:SiliconelectronicsOpticalmodulators/demodulatorsOpticaltrans__ivers/transponders/muxpondersFramingmuchofthisactivityisthe______factthatdataratesof40/100-Gbit/sarefastinthecontextofcurrenttechnologypracti__andhen__initiallyinherentlyexpensivetoimplementatthedevi__/modulelevel.Sopushingdownpri__sparticularlyinthemoreexoticareassuchasopticalmodulators/demodulatorsisanimportantissuetechnicallyandcommercially.AsNTTAmerica’sKimwarns:Weexpectthatinitialhighcostofopticswilltranslateintoasloweradoptionratefor100GEthernetthanforotherpreviousiterationsoftheEthernettechnology–outsideofveryhighbandwidthusercommunitiessuchaslargecarriersandCDNs.Onepotentialwaythisissuecouldbealleviatedwouldbethroughleveragingexisting10Gopticsbutatthispointitdoesnotappearthatthereisaworkableconsensustowards10x10Gopticsevenforshort-reachapplications.Devi__sModulesSubsystemsIISiliconelectronicscomprisesdevi__sdigitalsignalpro__ssorsandothernetworkpro__ssorsthatactasforexampleframers__ppersPhysicalLayersPHYsswitchfabricsandtrans__iversandwhichalloperateintheelectricaldo__in.Table7givessomere__ntexamplesofdevelopmentsinthisarea.Table7:ExamplesofRe__ntDevelopmentsin40/100GSiliconElectronicsDateVendorProductdevelopmentsincludeFebruary2008CortinaSystemsCS199940GOC768cPOSframer__pperdevi__--aclaimedindustryfirstJune2008CoreOptics40Gbit/sSerializer/DeserializerintegratedcircuitsJune2008XeleratedHX300familyofnetworkpro__ssorswithintegratedtraffic__nagementandfully-program__bleEthernetswitches.ClaimedasfirstNPUarchitecturethatscalesto100Gbit/sfullduplex.Applicationsinclude100GE40GEandOC-768January2009Latti__Semiconductor40Gbit/sSERDESFramerInte_____forLatti__SC/MFPGAfamiliesFebruary2009FujitsuFujitsuLaboratoriesdevelopsCMOStran__itterICfor40Gopticaltran__issionsystems__rch2009AppliedMicroCircuitsCorporationYaharadevi__familyforEthernet/optical__ppingincluding40Gto100Gmuxponderapplications__rch2009NetLogicMicrosystemsNLP10142100GEphysicallayersolutionsupporting100Gover40kmon__cabling100monOM3MMFor10moveracoppercableassemblySour__:LightReading2009SiliconelectronicsarealsorequiredtoprovideelectricalsignalMultiplexing/Demultiplexing.MicramMicroelectronicGmbHclaimedafirstattheOpticalFiberConferen__2009inSanDiegobyannouncingsiliconmux/demuxchipssupporting112-Gbit/sOn-OffKeyingOOKmodulationscheme.ThecompanysaidthattheMX4130F4:1MuxbrokenewgroundbyprovidinganFPGAcontrollayertherebyenablingvery-high-speeddatastreamstobegeneratedbyoff-the-shelfFPGAsfromXilinxandAltera.Thisprovidesaneatlinktoopticalmodulators/demodulatorswhichformperhapsthemostexcitingareaofproductdevelopmentbecauseofthekeyrolethatadvan__dmodulationtechniquesplayin40/100Gsystems.Thesedevi__scausealaser-generatedopticalcarrierw__elengthtovaryaccordingtotheinputelectrical40Gsignalmodulatorandvi__versademodulator.Howthisisdonedependsonthetypeofmodulationbeingusedandtheparticulartechnologyusedtoimplementit.Vendorsareconsequentlybecomingalittlehystericalintheirproductannoun__ments.GigOptixforexamplemodestlyclaimedonlytwoworldfirstsin__rch2009forits100Gmodulatorproducts:a4-channel28-Gbit/s__ch-ZehndermodulatordriverintegratedintoasingleGPPOpackageproductionsamplesaimedatthefirstquarterof2010butearlyprototypesforresearchanddevelopmentofDP-QPSK100-Gbit/stran__ittersarealready__ailableonrequestandanelectro-opticpolymer-basedNRZMZmodulatoroperatingat100-Gbit/s.MoremodestlyayearearlierOptoplexCorp.saidthatitsDQPSKdemodulatorandQPSKmixerbothdesignedfor100Gsystemshadsuc__ssfullycompletedsampleevaluationsbydevelopmentgroupsatseveral__jortelecomsystemsproviders.Meanwhiledownatamere40GBookhamnowcombinedwith__anexunderthenewOclaroname__deabidinmid-2008fortheindustry’s__allest40-Gbit/smodulatoranindium-phosphide__ch-Zehndermodulatormeasuringunder10mm.Thisparticulardevi__formspartofthecompany’s40-Gbit/sOD-QPSKtunabletran__itterassemblyTTAwhichthecompanysaysisdesignedtomeetpri__pointsthatwillpermitcost-effectivedeploymentof40-Gbit/stran__issioninmetronetworks.TheTTAwhichimplementstherequiredcontrolcircuitryincludinganOIF-standardtunablelaserinte_____measures74x39x
8.4mmandisthefirstbuildingblocktowardthecompany’s40-Gbit/stransponder.LaterinthatyearPhotopTechnologiesInc.announ__dahigh-perfor__n__40GDQPSKdemodulatorbasedonitsFreeSpa__MicroOpticsBlockF__OBtechnologywhichthecompanysaysgiveslowcostcompactsizehighperfor__n__andreliability.Therelian__onsuchvendor-specifictechnologiesischaracteristicoftheseproducts.Butnottobeoutdoneintheeitherthe__ch-ZehnderorsizestakesInphiCorp.claimedin__rch2009theindustry’sfirst28-Gbit/sdifferential__ch-Zehndermodulatordriverinacompact7x7mm__ramicsu_____-mountpackage.Thisthecompanysays__kesitabout90per__nt__allerthancurrentmetalpackagesandverysuitablefornext-generation40GDPSKand100GDP-QPSKtransponders.Opticaltrans__iversarestrictlyintegratedopticaltran__itterssuchastheOclaroTTAaboveandopticalre__iverswhichprovideopticaldetectionanddemodulationbutthetermcanbeusedlooselytolumptogetherseparatetran__itterandre__iverdevi__s.Likethemodulators/demodulatorstheycontainthiscategoryisalsoshowingfairlyrapidre__ntdevelopment.CompaniesincludingMitsubishiOkiOptoplexandStrataLightnowmergedwithOptoplexallannoun__dnew40Gdevi__sduring2008andearly2009whilenamesfor100Gdevi__sincludeOfidiumPtyLtd.OkiOpnextSanturCorp.andSumitomo.Asanexampleof40GtrendsOki’sOL5191Mintegratestheelectro-absorption-modulatedlaserEMLanddriverICintoasinglehousingwhichthecompanysaysshouldredu__themountingareacomparedtothetraditionalapproachofusinganEMLmoduleandexternaldriverICbyasmuchas60per__nt.Meanwhileat100GOpnextin__rch2009claimedtheworldsfirst100GEthernetopticaltrans__iverfor10kmtran__issionoverstandardsinglemodefiber__F.Thenewdevi__hasa1310__-w__elength-range25-Gbit/selectro-absorptionmodulatorwithintegrateddistributed-feedbacklasertran__itterandPIN-PDre__iveropticalsubassemblies.Opticaltransponderspackagetheelectricalandopticaldevi__sandfunctionsneededforlinetran__issionincludingtrans__ivermultiplexing/demultiplexingfilteringandcontrolintoastandardmodulepackagesuchasthe300-pinMSA.Muxpondersareessentiallytransponderswithclientinte_____sthataremultiplexed/demultiplexedonto/fromthehigher-ratelinesignal–thethe4:1muxponderthatputs4x10Gonto40Gthusprovidesanefficientmethodforaggregating10-Gbit/strafficandquadruplingthecapacityofexisting10-Gbit/s-basednetworks.Sin__transpondersarerealproductsthattechnicianshandletherehasbeenasteadystreamofnewproductsfromcompaniessuchaseGTranFinisarMinteraOpVistaandtheformerStrataLightduring2008andearly2009as40Gsystemsh__ebecomeincreasinglycommercialized.AsanexampleFinisar’s40-Gbit/stunableDPSKopticaltransponderisalong-reachtransponder__ailableina300-pinMSApackage.Itsupportsw__elengthtuningboth50and100GHzlinespacingacrosseithertheExtendedCorLbandsandhasanOIFSFI-5compliantinte_____thatprovides16differential
2.5-Gbit/slines.ItsupportsavarietyofprotocolsincludingOC768STM256andOTU
3.ThereisanoptionalintegratedPMDmitigationmodulewhichthecompanysayshasbeendemonstratedtocorrectforover30psofdifferentialgroupdelayatbit-ratesinex__ssof40Gbit/s.TestMeasurementTMvendorsadorenewtechnologiesand40/100Gparticularlyex__lsfromtheirperspectivebecauseitpushesfairlyhardagainstthestateoftheartfortelecomopticalnetworkingandthereforerequiresnewTMkit.Evenbetterthetechnologywillinthe__inberetrofittedintoexistingfibernetworks–socutting-edgetechnologyhastobe__detoworkincircumstan__sthatdidnotenvisionittherebyputtingapremiumonnetworkqualificationandmonitoring.Carrierstelcosandsystemvendorswillthush__ealargeTMrequirementandvendorsh__ebeenbusilygearinguptofulfillit.Table8extractstheTMvendorslistedinTable3andgivesanindicationofthetypeofproductorproductareawithwhichtheyareinvolved.Table9givesexamplesofre__ntproductlaunchesorannoun__mentsbysomeofthesevendorstosuggestsomeofthedirectionsinwhich40/100GTMismoving.Table8:Table8:40/100GTestMeasurementVendorsVendorProducttypesincludeAegisLightw__e40/100GDWDMopticalchannelmonitorsAgilentTechnologies40/100Gopticalmodulation____yzerssamplingoscilloscopesAnritsu40/100Gsignal-quality____yzersBaySpec40G-dis__rnableopticalchannelperfor__n__monitorsBreakingPointSystems40Gapplicationtrafficgenerator/testersDigitalLightw__e40/43GtestingsolutionsEnablen__Technologies40/100GopticalchannelmonitorsEXFOElectro-OpticalEngineeringInc.40Gig/43GigSONET/SDHandOTNtestingmoduleopticalsamplingoscilloscopesfor40Gand100GRD__nufacturinganddeploymentapplications40/100GEthernetportabletesters100GEthernetcomplian__testersIxia40/100GEtestsystems100GEDevelopmentAc__leratorSystemJDSUUniphase40/43GONTOpticalNetworkTestersMonitoringDivisionInc.40Gopticalperfor__n__monitoringOptametraLLCOM4005andOM4006CoherentLightw__eSignal____yzersfor40/100GPhysicalLayerTestSHFCommunicationTechnologyBERTsystemsforupto56Gcovering40Grangeandwithupgradecapabilityto100GwithfurtherSHFmodulesBERTsystemsfor40Gproductiontestingreferen__opticaltran__ittersandre__iversforvariousopticalmodulationfor__tsandbitratesupto100GSunriseTelecom40G/43GnetworktestsystemTektronix40/100Gserial-data____yzers/oscilloscopesYokogawaOpticalSpectrum____yzersOTDRsandTransport/Ethernetprotocol____yzers-suchasNX400040GTransport____yzerfor39GSONET/SDH43GOTNand
44.57EthernetoverOTN.Sour__:LightReading2009Table9:ExamplesofRe__nt40/100GTMProductsDateVendorProductStatedcharacteristicsincludeJanuaryYokogawaEnhan__menttoNX4000Transport/Protocol____yzerAdditionof43G/
44.57GOpticalDQPSKcapabilityFebruary2008BaySpec40GIn____iGuardTOpticalChannelPerfor__n__MonitorEnhan__d10/40Gmodulationdis__r__entcapability__y2008AgilentTechnologies86116C40to65GHzopticaland80GHzelectricalmodulesRD__nufacturingandcomplian__verificationof25-43Gbit/stran__ittersfor40/100G4x25GEthernet40GSonet/SDHSeptember2008EXFONewsoftwarereleasetheIQS-8140orFTB814040G/43G____yzersNewtestsincludingauto__ticprotectionswitchingAPSandservi__disruptiontimeSDTtestingforcomplian__withTelcordiaGR253andITU-TG.841;alsoprovides40Ground-tripdelayRTD____ysisOctober2008DigitalLightw__eCompactNIC40GNICPlusPortablebattery-operated40/43GtestingwithNRZDPSKDQPSKandDuoBinarycodingoptions;alsotunable-laseroptionNovember2008AnritsuMP1800SignalQuality____yzerUltrahigh-speedbiterrorrateBERmeasurementincluding100GEthernetand40Glong-haultran__issionDe__mber2008SunriseTelecomSTT40G40G/43GnetworktestsystemOTU3STM-256andOC-768perfor__n__testingtroubleshootinganddiagnosticsJanuary2009YokogawaEnhan__menttoNX4000Transport/Protocol____yzerAdditionof43G/
44.57GOpticalDPSKcapabilityFebruary2009DigitalLightw__eOpticalSpectrum____yzerOSAmodulesfortheNICPlatformDetectionofsignallevelfrequency/w__elengthandOSNRFebruary2009Ixia100GEDevelopmentAc__leratorSystem100GEtrafficgenerationand____ysis__rch2009AegisSemiconductorCTM1250CTM2250OpticalChannelMonitors40/100GDWDMchannelswithanymodulationfor__ts__rch2009AgilentTechnologiesaN4391Aopticalmodulation____yzerb86100CU-401Advan__dEye____ysissoftwareaTime-do__in-____ysis-basedcoherentdetectionsystemfor____ysisofamplitudeandphasemodulated40/100GopticalsignalsbEyediagramjitter____ysisonanypatternPRBS-31livetrafficother...includingJ2J9DDPWSandRJ/DJ/TJjittermeasurements__rch2009AnritsuMP1800ASignalQuality____yzerEvaluatesDP-QPSKDQPSKDPSKandODBopticalmodulatorsandtransponders__rch2009JDSUniphaseONT-503OpticalNetworkTesterTestPoint40GbpsV2ModuleOC-768/STM-256OTU343GOTNand40GSonet/SDHtestandverificationofnetworkelementstranspondersandPhysicalLayer__rch2009MonitoringDivisioneyeD360NetworkMonitorMeasuressimultaneouslypowerlevelOSNRCDandPMDonliveopticalnetworks__rch2009OptametraOM4005andOM4006CoherentLightw__eSignal____yzersVisualizationandmeasurementofdual-polarizedcomplex-modulatedsignalsinfiber40/100G__rch2009TektronixOpticalsamplingoscilloscopemodulesforDSA8200DigitalSerial____yzerSeriesComplian__verificationoftran__itterstandardsfrom40to100Gandbeyond;alsomodulefor100GEthernet__nufacturingandcomplian__verification__y2009EXFOElectro-OpticalEngineeringaFTB-85100GPacketBlazerbIQS-85100GPacketBlazera40and100GEthernettesterinasingleportablemodulesupportingmultipletrans__iverinte_____sCFPCXPandQSFPandofferingLayer1/2/3trafficgenerationand____ysisbLayer1/2/3CFP-BasedEthernetComplian__Testerforrapidprototypingproductizationandcommercializationof40and100GEthernetequipment__y2009SHFCommunicationTechnologySHF11110AandSHF11122AMulti-BandError____yserModules40Gbit-error____yzersaddressingapplicationsintheproductionenviro__entof40Gcomponentsmodulesandsubsystems.CCITT-confor__ntPRBSerror____ysiscanbeperformedoverbitratesof
39.8to
43.1Gbit/scovering40Gbit/sandtherelatedstandardFECratesupto
43.1Gbit/sSour__:LightReading2009It’simmediatelyobviousthatopticalmodulation____yzersareanimportantpartofthe40/100GTMbusiness.Asnotedearlierthewholecon__ptofopticaltran__issionatthesespeedsrestsondevisingsuitableandcomplexmodulationfor__tssoitisinevitablethatsomesophisticatedTMkitwillappearcapableofhandlingawiderangeoffor__tsand____ysisrequirements.AnexampleisAgilentTechnologiesInc.NYSE:A’sN4391Awhichprovides:anopticalcoherentre__iversupportingtran__issionratesover100Gbit/swithare__iverbandwidthofover37GHz74GHzoptical;DPSK/DQPSKincludingpolarizationmultiplexing;andachoi__of34digitalmodulationfor__tsand20customizabledata-____ysistools.AtthereallygrittyendofRD__nufacturinganddeploymentarehigh-speedopticalsamplingoscilloscopes–amotiveforEXFOacquiringSwedishoscilloscopespecialistPicoSolvein__rch
2009.Devi__scapableofhandling40/100Gareessentialforvisualizingthecomplexmodulationfor__tsused.ThenewopticalsamplingoscilloscopemodulesnotedinTable9fromTektronixforexampleincludethe80C10Bmodulewhichthecompanysaysprovides80+GHzofopticalbandwidthandsignalfidelityfordetailedcharacterizationof40Gbit/sandbeyondandusesspecialfilteringtechnologyforspecificindustrystandards.TheseincludeOC768/STM256VSR2000ITU-TG.69340GBase-LRfutureserialOTU34x10GLANPHY100GBase-LR4100GBase-ER4100GBase-LR4+FECand100GBase-ER4+FEC.Qualifyingexistingfiberlinksassuitablefor40Goperationisalsoakeytask.ThepointofMonitoringDivisionInc.MDI’seyeD360NetworkMonitorthecompanysaysisthatitsimultaneouslymeasuresthefourfactorsneededtodeterminewhichin-servi__10Gfiberscanbeupgradedto40Gbymeasuringpowerlevelopticalsignal/noiseratiochro__ticdispersionandpolarizationmodedispersiononliveopticalnetworks.—TimHillsisafreelan__telecommunicationswriterandjournalist.HesaregularauthorofLightReadingreports.。