Time-delayed coupled chaotic semiconductor lasers show new types of synchronization: Experiment and theory

Details Time-delayed coupled chaotic semiconductor lasers show new types of synchronization: Experiment and theory Time-delayed coupled chaotic semiconductor lasers show new types of synchronization: Experiment and theory

2011-11-28

arxiv.org/abs/1111.6541v1

Nonlinear Sciences

Chaotic Dynamics

4 pages, 4 figures

Scientific paper

Topologies of two, three and four time-delay-coupled chaotic semiconductor lasers are experimentally and theoretically found to show new types of synchronization. Shifted zero-lag synchronization is observed for two lasers separated by long distances even when their self-feedback delays are not equal. Shifted sub-lattice synchronization is observed for quadrilateral geometries while the equilateral triangle is zero-lag synchronized. Generalized zero-lag synchronization, without the limitation of precisely matched delays, opens possibilities for advanced multi-user communication protocols.

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