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Generation of Orthogonal Codes with Chaotic Optical Systems

Abstract : We propose to use an electro-optic oscillator based on two Mach-Zehnder modulators in two different delayed feedback loops to generate two orthogonal chaotic spreading sequences (codes). We numerically demonstrate, for such codes, spectrally-efficient multiplexing and demultiplexing of two digital data streams at multi-Gb/s rates using chaos synchronization and covariance-based detection.
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Contributor : Sébastien van Luchene <>
Submitted on : Wednesday, July 20, 2011 - 4:07:05 PM
Last modification on : Friday, April 2, 2021 - 3:33:12 AM

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Damien Rontani, Alexandre Locquet, Marc Sciamanna, David Citrin, Atsushi Uchida. Generation of Orthogonal Codes with Chaotic Optical Systems. Optics Letters, Optical Society of America - OSA Publishing, 2011, 36 (12), pp.2287-2289. ⟨10.1364/OL.36.002287⟩. ⟨hal-00609986⟩



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