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Polarization versus photon spin

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Luis Aina, Alfredo and Rodil, Alfonso (2014) Polarization versus photon spin. Optics express, 22 (2). pp. 1569-1575. ISSN 1094-4087

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Official URL: http://dx.doi.org/10.1364/OE.22.001569


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Abstract

We examine whether the Stokes parameters of a two-mode electromagnetic field results from the superposition of the spins of the photons it contains. To this end we express any n-photon state as the result of the action on the vacuum of n creation operators generating photons which can have may different polarization states in general. We find that the macroscopic polarization holds as sum of the single-photon Stokes parameters only for the SU(2) orbits of photon-number states. The states that lack this property are entangled in every basis of independent field modes, so this is a class of entanglement beyond the reach of SU(2) transformations.


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© 2014 Optical Society of America. A. L. acknowledges support from projects FIS2012-35583 of the Spanish Ministerio de Economia y Competitividad and QUITEMAD S2009-ESP-1594 of the Consejeria de Educacion de la Comunidad de Madrid.

Uncontrolled Keywords:States
Subjects:Sciences > Physics > Optics
ID Code:30202
Deposited On:20 May 2015 14:32
Last Modified:20 May 2015 14:32

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