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Witnessing entanglement with second-order interference and stokes parameters

Witnessing entanglement with second-order interference and stokes parameters We propose to use Stokes parameter as an entanglement witness for correlated EPR mixed states of light. Such states can be generated with a beam splitter acting on two mixed squeezed states of light. Stokes witness operators are closely related to the Hanbury-Brown and Twiss interference and can be used to test entanglement in balanced homodyne experiments involving fluctuations of quantum quadratures of the electric field. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Physica Hungarica Series B, Quantum Electronics Springer Journals

Witnessing entanglement with second-order interference and stokes parameters

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References (19)

Publisher
Springer Journals
Copyright
Copyright © 2006 by Akadémiai Kiadó
Subject
Physics; Nuclear Physics, Heavy Ions, Hadrons
ISSN
1589-9535
eISSN
1786-3767
DOI
10.1556/APH.26.2006.3-4.10
Publisher site
See Article on Publisher Site

Abstract

We propose to use Stokes parameter as an entanglement witness for correlated EPR mixed states of light. Such states can be generated with a beam splitter acting on two mixed squeezed states of light. Stokes witness operators are closely related to the Hanbury-Brown and Twiss interference and can be used to test entanglement in balanced homodyne experiments involving fluctuations of quantum quadratures of the electric field.

Journal

Acta Physica Hungarica Series B, Quantum ElectronicsSpringer Journals

Published: Aug 29, 2009

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