Generation of orthogonal codes with chaotic optical systems | Zendy

Damien Rontani | Zendy; Alexandre Locquet | Zendy; Marc Sciamanna | Zendy; D. S. Citrin | Zendy; Atsushi Uchida | Zendy

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Generation of orthogonal codes with chaotic optical systems

Author(s) -

Damien Rontani,

Alexandre Locquet,

Marc Sciamanna,

D. S. Citrin,

Atsushi Uchida

Publication year - 2011

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.36.002287

Subject(s) - multiplexing , chaotic , optics , computer science , synchronization (alternating current) , chaos (operating system) , physics , algorithm , telecommunications , channel (broadcasting) , computer security , artificial intelligence

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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