Optical communication with synchronized hyperchaos generated electrooptically

Jean Pierre Goedgebuer, Pascal Levy, Laurent Larger, Chii Chang Chen, William T. Rhodes

Research output: Contribution to journalArticlepeer-review

127 Scopus citations

Abstract

We propose a method based on a scalar second-order difference-differential equation to obtain intensity chaos from a laser diode with a nonlinear delayed feedback. The method can be used for encrypting, transmitting, and decrypting a signal in a chaos-based communication system. The core of the chaotic transmitter and receiver is formed by an electrooptic modulator that is used to generate a strong reproducible nonlinearity and chaotic waveforms of extremely high Lyapunov dimensionality. The system opens the way to ultrafast chaotic communications.

Original languageEnglish
Pages (from-to)1178-1183
Number of pages6
JournalIEEE Journal of Quantum Electronics
Volume38
Issue number9
DOIs
StatePublished - Sep 2002

Keywords

  • Chaos
  • Delay systems
  • Dynamics
  • Electrooptic modulator
  • Encryption
  • Nonlinear difference equations
  • Optoelectronic oscillators

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