Synchronization of weakly stable oscillators and semiconductor laser arrays

We study the synchronization properties of an array of nonidentical globally coupled limit cycle oscillators. Above a critical coupling strength, some oscillators undergo a self-pulsing instability. We study analytically the synchronization conditions below and above this instability threshold, thus...

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Veröffentlicht in:Europhysics letters 2003-03, Vol.61 (5), p.613-619
Hauptverfasser: Vladimirov, A. G, Kozyreff, G, Mandel, P
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Kozyreff, G
Mandel, P
description We study the synchronization properties of an array of nonidentical globally coupled limit cycle oscillators. Above a critical coupling strength, some oscillators undergo a self-pulsing instability. We study analytically the synchronization conditions below and above this instability threshold, thus removing the usual restriction of limit cycle stability. Self-pulsing decreases the order parameter and synchronization degradation can be reduced by delaying the coupling among the oscillators. Semiconductor lasers coupled by an external mirror are used as a convenient realization of that model.
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subjects Dynamics of nonlinear optical systems
optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Nonlinear dynamics and nonlinear dynamical systems
Nonlinear optics
Optics
Physics
Semiconductor lasers
laser diodes
Statistical physics, thermodynamics, and nonlinear dynamical systems
Synchronization
coupled oscillators
title Synchronization of weakly stable oscillators and semiconductor laser arrays
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