Istituto di Biofisica     
Arecchi F. T., Meucci R., Allaria E., Di Garbo A., Tsimring L. S. Delayed self-synchronization in homoclinic chaos. In: Physical Review E, vol. 65 article n. 046237. American Physical Society, 2002.
The chaotic spike train of a homoclinic dynamical system is self-synchronized by applying a time-delayed correction proportional to the laser output intensity. Due to the sensitive nature of the homoclinic chaos to external perturbations, stabilization of very long-periodic orbits is possible. On these orbits, the dynamics appears chaotic over a finite time, but then it repeats with a recurrence time that is slightly longer than the delay time. The effect, called delayed self-synchronization, displays analogies with neurodynamic events that occur in the buildup of long-term memories.
DOI: 10.1103/PhysRevE.65.046237
Subject Chaos control
Homoclinic chaos
CO_2 laser

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