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Data remodulation on downstream OFSK signal for upstream transmission in WDM passive optical network
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2003
Year
EngineeringIntensity ModulationOptical AccessPassive Optical NetworkUpstream TransmissionDownstream Modulation FormatDownstream Ofsk SignalRadio Over FiberUpstream DataOptical CommunicationOptical Wireless CommunicationUpstream Ook TransmitterOptical NetworkingData Remodulation
Employment of optical frequency shift keying (OFSK) as the downstream modulation format in a WDM passive optical network is proposed. The upstream OOK transmitter at the ONU can be realised by remodulating the constant-intensity downstream OFSK signal power with the upstream data. Transmission and remodulation of 2.5 Gbit/s downstream and upstream signals were successfully demonstrated.
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