Phase synchronization in mutually coupled chaotic diode lasers

Y. Aviad, I. Reidler, W. Kinzel, I. Kanter, M. Rosenbluh

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


Semiconductor lasers with optical feedback have chaotically pulsating output behavior. When two similar chaotic lasers are optically coupled, they can become synchronized in their optical fluctuations. Here we show that the synchronization is not only in the amplitude and in the timing of the pulses but that the short pulses are also phase coherent with each other. This is true even when the lasers are separated by distances much larger than their coherence length.

Original languageEnglish
Article number025204
JournalPhysical Review E
Issue number2
StatePublished - 19 Aug 2008


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