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International Journal of Optics
Volume 2012 (2012), Article ID 627018, 6 pages
doi:10.1155/2012/627018
Simultaneous Realization of Wavelength Conversion, 2R Regeneration, and All-Optical Multiple Logic Gates with OR, NOR, XOR, and XNOR Functions Based on Self-Polarization Rotation in a Single SOA: An Experimental Approach
Sys'com Lab, National Engineering School of Tunis (ENIT), B.P. 37, Le Belvedere, 1002 Tunis, Tunisia
Received 31 October 2011; Revised 29 January 2012; Accepted 30 January 2012
Academic Editor: Yu S. Kivshar
Copyright © 2012 Youssef Said and Houria Rezig. 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.
Abstract
We highlight the feasibility of experimental implementation of both inverted and noninverted wavelength conversion, 2R regeneration, and all-optical logic functions, such as OR, NOR, XOR, and XNOR optical gates by exploiting the self-polarization rotation in a semiconductor optical amplifier (SOA) device without changing the setup configuration. Switching between each optical function is done by only adjusting the input optical power level. In order to allow optimum control and preserve the polarization state of the injected and collected signals, the polarimetric measures have been carried out in free space.