Abstract

The decay of higher-order solitons in optical fiber, initiated by a step change in dispersion or by a localized loss element or filter, is explored theoretically as a means of generating pairs of pulses with wavelengths that are upshifted and downshifted from the input wavelength. One can tune the wavelengths by varying the magnitude of the perturbation. Pulse parameter requirements for achieving useful wavelength shifts while avoiding unwanted nonlinear effects are presented. Additionally, conditions are described under which the separated pulses can be recombined at a distant location to restore the higher-order soliton at the original wavelength.

© 2003 Optical Society of America

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