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A flat-gain EDFA is demonstrated using Erbium doped gain medium of high concentration on a host medium of silica-based fiber. The suggested EDFA model, using Matlab, shows uniform gain over the varying wave-lengths. The parameters of input signal power, pump power and length are optimized for a maximum EDFA length of 1.5m in the C-band and 9m in the case of L-band. The seamless gain features both...
A wide-band and flat gain Erbium-doped fiber amplifier (EDFA) is demonstrated using a gain media of high concentration Silica-based erbium doped fiber (EDF). The amplifier has two stages comprising a 1.5 m and 9 m long EDF optimized for C-band and L-band operations respectively, in a double-pass series configuration. The CFBG is used in both stages to allow a double propagation of signal and thus...
<para> In this paper, a bismuth-based erbium-doped fiber amplifier (Bi-EDFA) that operates in both the C- and L-band wavelength regions is demonstrated. The system employs two pieces of bismuth-based erbium-doped fiber (Bi-EDF) as the gain medium with a midway broadband fiber Bragg grating (FBG). The FBG functions to prevent the gain saturation at the C-band region, flatten the overall gain...
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