简介：

简介：Aschemeforall-fiberclockenhancementofnon-return-to-zero(NRZ)databasedoncross-phasemodulation(XPM)effectinnonlinearfibersisproposedanddemonstratedinsimulation.Thesimulationresultsindicatethattheclock-to-dataratioofNRZsignalsat64Gb/scanbeincreasedto22.94dBbyusingthisscheme,andthepatterneffectinclockenhancedsignalsisveryweak.Theabilityofhighspeedoperationupto140Gb/softhisschemeisalsoprovedinoursimulation.

简介：

简介：Wedemonstrateadigitalopticalcommunicationsystembasedonminimumshiftkeying(MSK)signaltransmissionwithcoherentdetection.5-Gb/sMSKsignalcantransmitovera160-kmstandardsinglemodefiber(SSMF)withoutphasecompensation.Atthereceiver,weusedata-aidedchannelestimationandfrequencydomainequalization(FDE)techniquesinthedigitalsignalprocessing(DSP)algorithm,thenanalyzeitsperformancecharacteristicscomparedwithquadraturephaseshiftkeying(QPSK)format.ThesimulationresultsshowthattheMSKformatwillbeapotentialcandidatefornext-generationaccessnetwork.