Abstract
Topologies of two, three and four time-delay-coupled chaotic semiconductor lasers are experimentally and theoretically found to show new types of synchronization. Generalized zero-lag synchronization is observed for two lasers separated by long distances even when their selffeedback delays are not equal. Generalized sub-lattice synchronization is observed for quadrilateral geometries while the equilateral triangle is zerolag synchronized. Generalized zero-lag synchronization, without the limitation of precisely matched delays, opens possibilities for advanced multi-user communication protocols.
| Original language | English |
|---|---|
| Pages (from-to) | 4352-4359 |
| Number of pages | 8 |
| Journal | Optics Express |
| Volume | 20 |
| Issue number | 4 |
| DOIs | |
| State | Published - 13 Feb 2012 |
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