简介：Thispaperproposesakindofmodulationarchitectureforwavelength-division-multiplexingpassiveopticalnetwork(WDM-PON)employingopticaldifferentialquadraturephaseshiftkeying(DQPSK)downstreamsignalsandtwodifferentmodu-lationformatsofre-modulatedupstreamsignals.Attheopticallineterminal(OLT),10Gbit/ssignalismodulatedwithDQPSK.Attheopticalnetworkunit(ONU),partofthedownstreamsignalisre-modulatedwithon-offkeying(OOK)orinverse-return-to-zero(IRZ).SimulationresultsshowtheimpactonthesystememployingNRZ,RZandcarrier-suppressedreturn-to-zero(CSRZ).Theanalysesalsoreflectthatthearchitecturecanrestrainchromaticdispersionandchannelcrosstalk,whichmakesitthebestarchitectureofaccessnetworkinthefuture.

简介：我们试验性地表明并且分析10Gbit/s完整的双波长部门multiplexing被动光网络(WDM-PON)系统。non-return-to-zero调音的微分阶段移动(NRZ-DPSK)调整技术首先为downlink方向被利用，然后downlink信号每隧道与10Gbit/s的数据率用调音的开关(OOK)的紧张调整技术为uplink方向被重新调制。一个有效无色WDM-PON完整的双传播系统与低力量惩罚在25km的距离上与60GHz的隧道间距每隧道为10Gbit/s的数据率被完成。