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We introduce a model for the non-linearity compensation (''management''), based on second-harmonic-generating [χ (2) ] elements, integrated with amplifiers, which are periodically inserted into a fiber-optic link. The link features the Kerr [χ (3) ] non-linearity, group-velocity dispersion (GVD), and loss. Simulations demonstrate that the system can directly provide...
A device that shapes fiber-optic pulses by passing them through a χ (2) optical crystal is considered. The length of the propagation in the χ (2) medium is selected so that the fundamental-harmonic (FH) transmission coefficient attains its maximum, which corresponds to a complete χ (2) cascade, for the power equal to the peak power of the input...