Correlation dimension signature of wideband chaos synchronization of semiconductor lasers

D. M. Kane*, J. P. Toomey, M. W. Lee, K. A. Shore

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)
8 Downloads (Pure)


Chaos data analysis has been performed on the chaotic output power time series data from a synchronized transmitter-receiver pair of semiconductor lasers. The system uses an asymmetric, bidirectional coupling configuration between the master (transmitter), which is a laser diode with optical feedback, and a stand-alone slave semiconductor laser. The correlation dimension of the chaotic time series has a minimum value of 4, which was obtained from high-bandwidth measurements. The correlation dimensions for both the master and the synchronized slave are identical when the cross-correlation coefficient of the synchronized chaos is above 0.9. These results establish correlation dimension analysis as an effective tool for the determination of the quality of wideband chaos synchronization.

Original languageEnglish
Pages (from-to)20-22
Number of pages3
JournalOptics Letters
Issue number1
Publication statusPublished - 1 Jan 2006

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