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APS » Journals » Phys. Rev. Lett. » Volume 80 » Issue 14
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Phys. Rev. Lett. 80, 3153–3156 (1998)

Synchronizing High-Dimensional Chaotic Optical Ring Dynamics

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Henry D. I. Abarbanel* and Matthew B. Kennel†
Institute for Nonlinear Science, University of California, San Diego, La Jolla, California 92093-0402

Received 18 September 1997; published in the issue dated 6 April 1998

We study chaotic ring laser systems as possible elements in a communications system. To be useful it must be possible to synchronize the transmitter and receiver lasers. We show that chaotic ring lasers can be synchronized using direct light injection from one laser into the optical cavity of the second. This synchronization occurs even when both lasers are quite high dimensional and each possesses many positive Lyapunov exponents. When the lasers are synchronized, the transmitted light can be modulated with information bearing signals and the message accurately recovered at the receiver.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.3153
DOI:
10.1103/PhysRevLett.80.3153
PACS:
89.70.+c, 05.45.+b, 42.55.-f

*Department of Physics and Marine Physical Laboratory, Scripps Institution of Oceanography.Electronic address: hdia@hamilton.ucsd.edu

†Electronic address: kennel@lyapunov.ucsd.edu

 
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