title: Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks.
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.
authors.affiliation: UMI 2958 Georgia Tech-CNRS, Georgia Tech Lorraine, 2-3 Rue Marconi, Metz, France.
authors.forename: D
authors.initials: D
authors.lastname: Rontani
authors.forename: M
authors.initials: M
authors.lastname: Sciamanna
authors.forename: A
authors.initials: A
authors.lastname: Locquet
authors.forename: D S
authors.initials: DS
authors.lastname: Citrin
mesh_terms: D000465:Algorithms; D003142:Communication; D003195:Computer Communication Networks; D005246:Feedback; D006801:Humans; D008962:Models, Theoretical; D017711:Nonlinear Dynamics; D009991:Oscillometry / Q000379:methods; D010825:Physics / Q000379:methods*; D013269:Stochastic Processes