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Optical bright solitons in inhomogeneous fiber core media

M. IDRISH MIAH1,*

Affiliation

  1. Nanoscale Science and Technology Centre, School of Science, Griffith University, Nathan, Brisbane, QLD 4111, Australia

Abstract

We consider an optical fiber with inhomogeneous core and modify the nonlinear Schrödinger (NLS) equation by adding terms for phase modulation and fiber power gain/ loss, in order to include some inhomogeneous physical effects. The modified NLS equations in the anomalous dispersive regime are Hirota bilinearized, and exact bright soliton solutions are obtained. The results show that the area of the pulse envelope is preserved during propagation in the fiber, demonstrating that solitary wave propagation is maintained in the core medium we considered..

Keywords

Optical fiber, Bright soliton, Nonlinear Schrödinger equation, Horota transformation, Self-phase modulation, Group velocity dispersion.

Submitted at: Feb. 23, 2007
Accepted at: Aug. 18, 2007

Citation

M. IDRISH MIAH, Optical bright solitons in inhomogeneous fiber core media, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 8, pp. 2339-2341 (2007)