A unifying analysis of chaos synchronization and consistency in delay-coupled semiconductor lasers

Thomas Jungling, Xavier Porte, Neus Oliver, Miguel Cornelles Soriano, Ingo Fischer

Research output: Contribution to journalArticle

Abstract

Consistency is a powerful concept to characterize and classify the behavior of driven dynamical systems, therefore playing an essential role for the understanding of information processing in and by complex photonic systems. Here, we discuss two different experimental configurations of semiconductor laser systems with delayed optical feedback allowing for a unifying view via the detailed characterization and comparison of consistency and synchronization properties. The first configuration comprises two unidirectionally coupled semiconductor lasers, which has found considerable interest for applications in encrypted communication. The second configuration consists of a single laser with two optical delay loops of significantly different lengths, designed such that only one loop is active at a time and that allows to study replays of injected optical signals. We show that, in terms of three characteristic correlation measures—consistency correlation, transformation correlation, and spurious correlation—the dynamical features of the two different experiments are very similar and how the two configurations are connected. Our approach shows that consistency allows to understand and relate various chaos synchronization and stability properties. We particularly discuss the experimental results in the context of a previously established analytical framework, providing a common dynamical interpretation of consistency and chaos synchronization in delay-driven laser systems.
Original languageEnglish
Article number1501609
Pages (from-to)1-9
Number of pages9
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume25
Issue number6
DOIs
Publication statusPublished - 31 May 2019

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Chaos theory
Semiconductor lasers
chaos
synchronism
Synchronization
semiconductor lasers
configurations
Optical feedback
Lasers
Photonics
Dynamical systems
dynamical systems
lasers
optical communication
communication
Communication
photonics
Experiments

Cite this

Jungling, Thomas ; Porte, Xavier ; Oliver, Neus ; Soriano, Miguel Cornelles ; Fischer, Ingo. / A unifying analysis of chaos synchronization and consistency in delay-coupled semiconductor lasers. In: IEEE Journal of Selected Topics in Quantum Electronics. 2019 ; Vol. 25, No. 6. pp. 1-9.
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A unifying analysis of chaos synchronization and consistency in delay-coupled semiconductor lasers. / Jungling, Thomas; Porte, Xavier; Oliver, Neus; Soriano, Miguel Cornelles; Fischer, Ingo.

In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 25, No. 6, 1501609, 31.05.2019, p. 1-9.

Research output: Contribution to journalArticle

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