2007 · 58 citations · 0 references
EngineeringElectrical EngineeringDigital CommunicationOptoelectronicsPhotonicsFiber OpticsFiber-optic CommunicationOptical AmplifiersOptical Communication SystemsTerahertz PhotonicsTerahertz SpectroscopyBroadband Optical AmplificationHigh-speed TransmissionHybrid Optical AmplifiersRaman AmplificationRaman Optical AmplifiersTerahertz Communications
We demonstrate 20.4-Tb/s (204×111-Gb/s) transmission over 240 km (3×80 km) using CSRZ-DQPSK format and gain-flattened hybrid Raman/EDFAs. The bandwidth of the amplifiers is maximized to 10.2 THz using phosphorous co-doped silicate EDFAs.