Delay signatures in the chaotic intensity output of a quantum dot laser with optical feedback

Delay identification from the chaotic intensity output of a quantum dot laser with optical feedback is done using numerical and information theoretic techniques. Four quantifiers, namely autocorrelation function, delayed mutual information, permutation entropy and permutation statistical complexity,...

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Bibliographic Details
Published in:Pramāṇa 2016-05, Vol.86 (5), p.1021-1030
Main Authors: VARGHESE, BEJOY, JOHN, MANU P, NANDAKUMARAN, V M
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Astroparticles
Observations and Techniques
Physics
Physics and Astronomy
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Summary:Delay identification from the chaotic intensity output of a quantum dot laser with optical feedback is done using numerical and information theoretic techniques. Four quantifiers, namely autocorrelation function, delayed mutual information, permutation entropy and permutation statistical complexity, are employed in delay estimation. A detailed comparison of these quantifiers with different feedback rates and delay is undertaken. Permutation entropy and permutation statistical complexity are calculated with different dimensions of symbolic reconstruction to obtain the best results.
ISSN:0304-4289
0973-7111
DOI:10.1007/s12043-016-1193-y