Abstract
ABSTRACTA novel erbium-doped fibre amplifier (EDFA) test bed is designed using the dominant technical MATLAB Simulink platform to characterize gain, noise figure and amplified spontaneous emission (ASE) power variations of a forward pumped EDFA operating as functions of amplifier length, injected pump power, signal input power and doping density in the C-band (1525–1560 nm). The numerical modelling of the rate and propagation equations is done. The Simulink model for two-level-based analysis is designed to investigate the dynamic characteristics of an EDFA. A significant addition to the model is the ability to handle multiple channels using the absorption and emission coefficients that vary as per different specifications and the quantum well laser is being modelled to be applied as the pump source. The results are shown and analyzed graphically for designated simulation environment that accurately represents EDFA performance metrics such as gain, population inversion factor , noise figure, quantum conversion efficiency and power conversion efficiency. The present model can be implemented successfully as a test bed to study the EDFA dynamics over the entire third optical communication bandwidth (1525–1690 nm) with the ability to analyze and optimize all the parameters to achieve the desired operating performance before actual physical designing of device as per the application.
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