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Science 20 February 1998:
Vol. 279. no. 5354, pp. 1198 - 1200
DOI: 10.1126/science.279.5354.1198
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Reports
Communication with Chaotic Lasers
Gregory D. VanWiggeren,
Rajarshi Roy
*
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.
School of Physics, Georgia Institute of Technology, Atlanta, GA
30332, USA.
*
To whom correspondence should be addressed. E-mail:
rajarshi.roy{at}physics.gatech.edu
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