Controlling chaos by negative feedback of subharmonic components

Year: 1997

Authors: Meucci R., Labate A., Ciofini M.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, ItaLy

Abstract: In this paper we present a control technique for stabilizing chaotic motion to periodic orbits in a CO2 laser with electro-optic feedback. The control method is based on negative feedback of subharmonic components of the laser intensity signal. A detailed analysis, performed using the four-level model for the CO2 laser, allows us both to reproduce the experimental features and to compare our method with the time-delayed autosynchronization method introduced by Pyragas [Phys. Lett. A 170, 421 (1992)].

Journal/Review: PHYSICAL REVIEW E

Volume: 56 (3)      Pages from: 2829  to: 2834

KeyWords: Unstable periodic-orbits; adaptive-control; dioderesonator; tracking; System; Chaos theory; Chaotic systems; Unstable periodic
DOI: 10.1103/PhysRevE.56.2829

Citations: 26
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