Abstract
Throughout this paper, considering inhomogeneous broadening in amplification and pump bands, the dynamical behavior of an erbium-doped fiber amplifier is investigated. To this end, equations of propagation and populations are obtained with the erbium atoms being treated as three-level atoms. The governing equations comprise a system of infinitely many PDEs which reduce to finitely many PDEs using some mathematical tricks. The phenomena of spectral hole-burning and pump-mediated inhomogeneity are inspected by solving these equations through using the finite-difference method and calculating the gain difference spectrum.
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Langarizadeh, F., Mahjoei, M. & Mojdeganloo, F. Modeling of pump wavelength-dependent spectral hole-burning in EDFA. Opt Quant Electron 50, 254 (2018). https://doi.org/10.1007/s11082-018-1509-x
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DOI: https://doi.org/10.1007/s11082-018-1509-x