Abstract
Helsinki University of TechnologyFaculty of Electrical EngineeringOtakaari 5AFIN-02150 EspooFinlandPichet RitthisoonthornAsian Institute of TechnologySchool of Advanced TechnologiesTelecommunications ProgramP.O. Box 4, Klong LuangPathumthani 12120ThailandAbstract. Optical fiber distribution systems with intensity-modulation/direct-detection and erbium-doped fiber amplifiers are designed for cabletelevision (CATV) applications. Two types of system configurations areconsidered, i.e., the passive power splitter with optically preamplifiedreceivers (PPS-OPR) scheme and the hybrid passive-and-active powersplitter (HPAPS) scheme. The receiver sensitivity is calculated for vari-ous system parameters. We compare both schemes through the numberof CATV subscribers and show that the HPAPS scheme is superior tothe PPS-OPR scheme for large-scale CATV distribution applications.
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