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Numerical study of passive gain equalization with twin-core fiber coupler amplifiers for WDM systems

Costa, J.R. ; Ramos, P.M. ; Paiva, C. R. ; Barbosa, A.

IEEE Journal of Quantum Electronics Vol. 37, Nº 12, pp. 1553 - 1561, December, 2001.

ISSN (print): 0018-9197
ISSN (online): 0018-9197

Journal Impact Factor: 2,413 (in 2008)

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Abstract
This paper presents a numerical study of twin-core fiber coupler amplifiers for equalization of wavelength division multiplexing (WDM) channels. The propagation of WDM pulses within a coupler and a chain of couplers is analyzed. The real spectrum gain of the device is considered along with dispersion and nonlinear effects. The influence of intermodal dispersion is studied. A model is developed based on a set of linearly coupled nonlinear Schrodinger equations.