Abstract
Saturation parameters including gain, input signal power and output power were studied for erbium doped fibre amplifiers (EDFA). Knowledge of these parameters will enable a better design of EDFAs for operation as a power amplifier. In this saturated regime, gain saturation is defined as the gain at 3 dB gain compression from the unsaturated gain for a specific fibre length and pump power. Therefore, the output saturation power, P/sub osat/, and input saturation signal power, P/sub isat/, are defined as the output power and input signal power at which gain saturation occurs. The effects of pump power and fibre length were also studied in this paper.
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