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Experimental investigations of synchronization and anti-synchronization of optically coupled semiconductor lasers with external cavities are presented. Both lasers show chaotic low-frequency intensity fluctuations that are (anti-) synchronized due to optical coupling by light injection. For uni-directional coupling response lasers with and without external… (More)
It is shown that phase synchronization of chaotic dynamical systems can be achieved using a binary coupling signal that takes only two possible values. This phenomenon is demonstrated using analog electronic implementations of the Rössler system and Chua's oscillator.
Experimental investigations and simulations of synchronization phenomena of individual longitudinal optical modes of unidirectionally light injection coupled semiconductor lasers are presented and compared with the (anti-)synchronization of the corresponding full intensity fluctuations.