Abstract

In this work, the propagation of high-amplitude solitons of the cubic-quintic complex Ginzburg–Landau equation in the presence of higher-order effects, namely, the intra-pulse Raman scattering (IRS) and the third-order dispersion (TOD), has been studied. Starting from a singularity found by Akhmediev and co-workers, high-amplitude pulses are predicted using a perturbation approach and numerically obtained. We have found that this singularity is no longer present if the intra-pulse Raman scattering effect is considered and zero velocity pulses may be achieved in the presence of both IRS and TOD. The predictions from perturbation theory are numerically confirmed to a certain extent.

© 2017 Optical Society of America

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