Abstract
In this paper, a model describing the four-wave mixing (FWM) among an
arbitrary amount of incident waves is derived and the
predictor–corrector method is exploited to solve the equations.
Based on the numerical model, we studied methods to promote the energy
exchange among the incident waves. The results show that a proper value of
phase mismatch can accelerate the energy exchanging among the pump waves and
simultaneously reduces the idler wave powers. This model is applied to
investigate the behavior of a multiwavelength erbium-doped fiber laser
(MWEDFL) exploiting FWM. According to the simulation, through using a
50-m-long nonlinear fiber with nonlinear coefficient of 11 /W/km, 19 lines
can be obtained in the output spectrum with power difference $<$3 dB.
© 2009 IEEE
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