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Performance comparison between DCF and RDF dispersion compensation in fiber optical CATV systems

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1 Author(s)
Hai-Han Lu ; Inst. of Electro-Opt. Eng., Nat. Taipei Univ. of Technol., Taiwan

An architecture of an externally modulated AM-VSB CATV 77-channel erbium-doped fiber amplifier (EDFA)-repeated system which use the combination of a single-mode fiber (SMF) and reverse dispersion fiber (RDF) as a dispersion compensation device is proposed and demonstrated. Compared to the conventional externally modulated fiber optical CATV systems with or without a dispersion compensation fiber (DCF), excellent performance of composite second order (CSO) ≥ 78 dB accompanied by satisfied carrier-to-noise ratio (CNR) ≥ 50 dB and composite triple beat (CTB) ≥ 65 dB was obtained in the proposed system.

Published in:

IEEE Transactions on Broadcasting  (Volume:48 ,  Issue: 4 )