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Communication with Chaotic Lasers

Science  20 Feb 1998:
Vol. 279, Issue 5354, pp. 1198-1200
DOI: 10.1126/science.279.5354.1198

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Abstract

Recent experiments with chaotic electronic circuits have shown the possibility of communication with chaos. The experimental demonstration of chaotic communication with an optical system is described. An erbium-doped fiber ring laser (EDFRL) was used to produce chaotic light with a wavelength of 1.53 micrometers. A small 10-megahertz message was embedded in the larger chaotic carrier and transmitted to a receiver system where the message was recovered from the chaos. Chaotic optical waveforms can thus be used to communicate masked information at high bandwidths.

  • * To whom correspondence should be addressed. E-mail: rajarshi.roy{at}physics.gatech.edu

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