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Opt Lett. 2008 Mar 15;33(6):587-9.

Enhanced chaos synchronization in unidirectionally coupled vertical-cavity surface-emitting semiconductor lasers with polarization-preserved injection.

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1
Bangor University, School of Electronic Engineering, Dean Street, Bangor, Gwynedd LL57 1UT, UK. ees602@bangor.ac.uk

Abstract

We experimentally study chaos synchronization in unidirectionally coupled vertical-cavity surface-emitting semiconductor lasers (VCSELs) with polarization-preserved and polarization-selected optical injection. The measurements show, in agreement with theoretical predictions, that the maximum cross coefficient of 0.884 obtained with polarization-preserved optical injection is significantly higher than the maximum cross coefficient of 0.724 obtained with polarization-selected optical injection.

PMID:
18347718
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