Abstract
AbstractEffects of perturbations including third‐order dispersion on the operation of logic devices constructed by asymmetric nonlinear optical fiber couplers are investigated by using the beam propagation method. In contrast to the unperturbed case, the radiation is stimulated and, consequently, the operation of logic devices is degraded. In order to remove the influence of perturbations, the bandwidth limited amplification is introduced. In a distributed gain medium with a finite bandwidth, the radiation caused by third‐order dispersion may be suppressed and the operation of logic devices is improved.
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