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Active and Passive Electronic Components
Volume 15, Issue 2, Pages 103-106

Some Remarks on Quasi-Solitons in Optical Fibers

Received 18 September 1992; Accepted 26 October 1992

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In this paper a unique analysis of solitary waves corresponding to the solutions of the non-linear cubicquintic Schr6dinger equation for optical fibers is performed. These results imply that for an intensitysquared dependent refractive index, the behavior of the solitary waves is at most quasi-soliton. In our context there is not soliton behavior so that the existence of Raman solitons is not possible. However, under certain conditions it is reasonable to expect the existence of Raman quasi-solitons in the anomalous- dispersion regime.

The mathematical aspects involved are emphasized because the theoretical research is very important in the context of non-linear optics to clarify various, often confusing ideas derived from certain experimental works.