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. 2004 Sep;70(3 Pt 2):036208.
doi: 10.1103/PhysRevE.70.036208. Epub 2004 Sep 21.

Coupling scheme for complete synchronization of periodically forced chaotic CO2 lasers

I P Mariño  1 , E Allaria, M A F Sanjuán, R Meucci, F T Arecchi
Affiliations

Coupling scheme for complete synchronization of periodically forced chaotic CO2 lasers

I P Mariño et al. Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Sep.

Abstract

We present a way of coupling two nonautonomous, periodically forced, chaotic C O2 lasers in a master-slave configuration in order to achieve complete synchronization. The method consists of modulating the forcing of the slave laser by means of the difference between the intensities of the two lasers, and lends itself to a simple physical implementation. Experimental evidence of complete synchronization induced by a suitable coupling strength is shown, and a numerical model is used to achieve further insight of the synchronization phenomena. Finally, we describe a possible application of the investigated technique to the design of a digital communication system.

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