Bubbling in delay-coupled lasers

V. Flunkert, O. D'Huys, J. Danckaert, I. Fischer, E. Schöll

Research output: Contribution to journalArticlepeer-review

63 Citations (Scopus)

Abstract

We theoretically study chaos synchronization of two lasers which are delay coupled via an active or a passive relay. While the lasers are synchronized, their dynamics is identical to a single laser with delayed feedback for a passive relay and identical to two delay-coupled lasers for an active relay. Depending on the coupling parameters the system exhibits bubbling, i.e., noise-induced desynchronization, or on-off intermittency. We associate the desynchronization dynamics in the coherence collapse and low-frequency fluctuation regimes with the transverse instability of some of the compound cavity's antimodes. Finally, we demonstrate how, by using an active relay, bubbling can be suppressed. © 2009 The American Physical Society.

Original languageEnglish
Article number065201
JournalPhysical Review E
Volume79
Issue number6
DOIs
Publication statusPublished - 4 Jun 2009

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