Chaos synchronization based on a continuous chaos control method in semiconductor lasers with optical feedback | Zendy

Atsushi Murakami | Zendy; Junji Ohtsubo | Zendy

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Chaos synchronization based on a continuous chaos control method in semiconductor lasers with optical feedback

Author(s) -

Atsushi Murakami,

Junji Ohtsubo

Publication year - 2001

Publication title -

physical review. e, statistical physics, plasmas, fluids, and related interdisciplinary topics

Language(s) - English

Resource type - Journals

eISSN - 1095-3787

pISSN - 1063-651X

DOI - 10.1103/physreve.63.066203

Subject(s) - synchronization (alternating current) , synchronization of chaos , semiconductor laser theory , physics , laser , control theory (sociology) , chaos (operating system) , stability (learning theory) , oscillation (cell signaling) , optical chaos , chaotic , relaxation (psychology) , control of chaos , semiconductor , optics , quantum mechanics , computer science , mathematics , topology (electrical circuits) , control (management) , computer security , artificial intelligence , psychology , social psychology , machine learning , combinatorics , biology , genetics

Chaos synchronization using a continuous chaos control method was studied in two identical chaotic laser systems consisting of semiconductor lasers and optical feedback from an external mirror. Numerical calculations for rate equations indicate that the stability of chaos synchronization depends significantly on the external mirror position. We performed a linear stability analysis for the rate equations. Our results show that the stability of the synchronization is much influenced by the mode interaction between the relaxation oscillation frequency of the semiconductor laser and the external cavity frequency. Due to this interaction, an intensive mode competition between the two frequencies destroys the synchronization, but stable synchronization can be achieved when the mode competition is very weak.

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