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Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers

Cemlyn, Benjamin R and Adams, Michael J and Henning, Ian D and Labukhin, Dmitry (2015) 'Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers.' IEEE Journal of Selected Topics in Quantum Electronics, 21 (6). pp. 514-521. ISSN 1077-260X

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The dynamics in a system of integrated self- and mutually-coupled lasers are analysed. For the first time, we present an overall comparison of the experimental and modelled dynamics of this system as functions of the frequency detuning and coupling magnitude parameters. First, the nontrivial parameters affecting the dynamics, namely the group index and group index dispersion, the relaxation oscillation frequencies of the two lasers, and the coupling magnitude, are calibrated. A transition in dynamics depending on detuning is then demonstrated, for a range of coupling magnitudes, in both the experimental measurements and by using a travelling-wave model of the system. The dynamics are analysed rigorously using the correlation dimension of the time series to identify regions of linear and nonlinear interaction, and distinct dynamic boundaries separating these regions are then calculated. In addition, we show, using results from the travelling-wave model, the profound effect of the coupling phase on the dynamics.

Item Type: Article
Uncontrolled Keywords: Chaos; laser tuning; mutual coupling; nonlinear systems; optical coupling; semiconductor lasers
Subjects: Q Science > QC Physics
Divisions: Faculty of Science and Health
Faculty of Science and Health > Life Sciences, School of
Faculty of Science and Health > Computer Science and Electronic Engineering, School of
SWORD Depositor: Elements
Depositing User: Elements
Date Deposited: 26 Jun 2015 14:49
Last Modified: 23 Sep 2022 18:26

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