Abstract
Erbium Doped Fiber Amplifiers (EDFA) have become more popular in optical networks. The concept of extending the reach to 60 km of GPON with a 1:64 split ratio through the introduction of amplification (EDFA) designed for 1550 nm in downstream is presented with simulation of GPON Optical Network in terms of different parameter (fiber length , signal input power , number of users, splitter loss...). Moreover in this paper, was study different characterizations of EDFA amplifier, which depend essentially on the opt-geometric parameters, such as concentrations of ions erbium, length of the erbium doped and core radium fiber and the effect of those parameters to optimize the gain G and quality factor Q for different amplifier ( post-, preand line amplification) configurations in GPON system. General Terms Amplification, GPON
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