Realization of wavelength conversion with hyperbolic secant femtosecond pulse in normal dispersion regime

Esmaeilian Marnani, A. and Abas, Ahmad Fauzi and Moravvej Farshi, M. K. and Ebnali Heidari, M. (2010) Realization of wavelength conversion with hyperbolic secant femtosecond pulse in normal dispersion regime. Journal of Modern Optics, 57 (8). pp. 601-606. ISSN 0950-0340

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Abstract

Realization of wavelength conversion based on second-order femtosecond dark solitons with hyperbolic secant pulse is presented. This is achieved by introducing localized dispersion perturbation along the optical fiber. We demonstrate that an initial 30 fs second-order pulse decays to similar sub-pulses by applying perturbation using a step increment of β2 from 6.3 to 15.75 ps2 km-1. This shows that the realization of a 12 channel wavelength converter for femtosecond pulses is possible. Recent research shows the possibility of realizing wavelength conversion generated from picosecond solitons neglecting nonlinear effects. However, employing the same method for femtosecond pulses fails due to the manifestation of nonlinear effects. In this paper, pulse deformation under different levels of perturbation was tested, and appropriate perturbation leading to similar sub-pulses is achieved.

Item Type:Article
Keyword:wavelength conversion, anomalous and normal dispersion regime, dark soliton, higher-order soliton decay
Faculty or Institute:Faculty of Engineering
Publisher:Taylor & Francis
DOI Number:10.1080/09500340.2010.483293
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1080/09500340.2010.483293
ID Code:11716
Deposited By: kmportal
Deposited On:13 Apr 2011 02:02
Last Modified:13 Apr 2011 02:04

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