Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks

Damien Rontani; Marc Sciamanna; Alexandre Locquet; David S. Citrin

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DOI : 10.1103/PhysRevE.80.066209

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Physical Review E: Statistical, Nonlinear, and Soft Matter Physics 80, 6 (2009) pp. 066209-1-5

Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks

Damien Rontani ^1, 2, Marc Sciamanna ¹, Alexandre Locquet ², David S. Citrin ²

(21/12/2009)

We propose an efficient and fast bit-multiplexed encryption scheme exploiting hyperchaotic regimes of a single nonlinear oscillator with multiple time-delay feedback loops. Each data stream is encrypted by digitally modulating the values of the various time delays and decrypted using chaos synchronization and cross-correlation measurements. We have numerically applied our approach to an optoelectronic chaotic oscillator based on standard semiconductor lasers subjected to multiple feedbacks and have demonstrated successful data transmission and recovery between multiple users at several Gbits/s on a single communication channel.

1 :	Laboratoire Matériaux Optiques, Photonique et Systèmes (LMOPS)

	CNRS : UMR7132 – Université Paul Verlaine - Metz – SUPELEC

2 :	Georgia Tech - CNRS (UMI2958)

	CNRS : UMI2958 – Georgia Institute of Technology Atlanta – Georgia Tech Lorraine – SUPELEC – Université de Franche-Comté – Université Paul Verlaine - Metz – Ecole Nationale Supérieure des Arts et Metiers Metz

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Science non linéaire/Dynamique Chaotique


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Soumis le : Vendredi 8 Janvier 2010, 10:20:39
Dernière modification le : Vendredi 8 Janvier 2010, 11:14:48