Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks

Damien Rontani 1, 2 Marc Sciamanna 1 Alexandre Locquet 2 David Citrin 2
1 LMOPS - Laboratoire Matériaux Optiques, Photonique et Systèmes
2 UMI2958 - Georgia Tech - CNRS [Metz]
Abstract : 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.
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Journal articles
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https://hal-supelec.archives-ouvertes.fr/hal-00445285
Contributor : Sébastien van Luchene <>
Submitted on : Friday, January 8, 2010 - 10:20:39 AM
Last modification on : Wednesday, July 31, 2019 - 4:18:02 PM

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Damien Rontani, Marc Sciamanna, Alexandre Locquet, David Citrin. Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2009, 80 (6), pp. 066209-1-5. ⟨10.1103/PhysRevE.80.066209⟩. ⟨hal-00445285⟩

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