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Phys Rev E Stat Nonlin Soft Matter Phys. 2006 Jun;73(6 Pt 2):066214. Epub 2006 Jun 14.

Stable isochronal synchronization of mutually coupled chaotic lasers.

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  • 1Department of Physics, Bar-Ilan University, Ramat-Gan, 52900 Israel.


The dynamics of two mutually coupled chaotic diode lasers are investigated experimentally and numerically. By adding self-feedback to each laser, stable isochronal synchronization is established. This stability, which can be achieved for symmetric operation, is essential for constructing an optical public-channel cryptographic system. The experimental results on diode lasers are well described by rate equations of coupled single mode lasers.

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