Abstract
In this study our main objective is to design new Erbium-doped fiber amplifier (EDFA) configurations to obtain higher gain and lower noise figure ( NF ) values using an input signal -35 dBm at the wavelength of 1550 nm and the pump power 14 mW at the wavelength of 1480 nm. Utilizing Giles and Desurvire model, we proposed miscellaneous Single Pass (SP) and Double Pass (DP) EDFA configurations different in the means of pump signal direction where the two level system model equations are solved numerically in Matlab. The physical properties of the simulated EDFA configurations such as gain, noise factor, population density and amplified spontaneous emission were studied under various pumping directions.
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