Physics Journal
Articles Information
Physics Journal, Vol.1, No.3, Nov. 2015, Pub. Date: Sep. 26, 2015
Gap Solitary Pulses Induced by the Modulational Instability and Discrete Effects in Array of Inhomogeneous Optical Fibers
Pages: 216-224 Views: 1388 Downloads: 869
Authors
[01] Jean Roger Bogning, Department of Physics, Higher Teachers Training College Bambili, University of Bamenda, Bamenda, Cameroon.
[02] K. Porsezian, Department of Physics, Pondichery University, Pondichery, India.
[03] G. Fautso Kuiaté, Department of Physics, Higher Teachers Training College Bambili, University of Bamenda, Bamenda, Cameroon.
[04] H. M. Omanda, Laplus, Ecole Normale Supérieure de Libreville, Libreville, Gabon.
Abstract
We analytically demonstrate that temporal modulational instability of pulse combined with discrete effects in an array of optical fibers in regime of anomalous dispersion can generate secondary excitations in the gap. These excitations are bound closely to the perturbations of the soliton propagating in the array. They can be of any nature or soliton type and disappear when the modulational instability vanishes. This approach in the research of gap solitons being new, necessitates finding an appropriated method in the research of gap solitons. So the Bogning-Djeumen Tchaho-Kofané method used in this context seems better adapted to determine the analytical shape of gap soliton.
Keywords
Modulational Instability, Gap Soliton, Optical Fibers, Pulse, Kink, Discrete Effects, Soliton of Array
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