Polarization versus photon spin | Zendy

Alfredo Luis | Zendy; Alfonso Rodil Doblado | Zendy

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Polarization versus photon spin

Author(s) -

Alfredo Luis,

Alfonso Rodil Doblado

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.001569

Subject(s) - physics , photon , photon polarization , quantum entanglement , polarization (electrochemistry) , superposition principle , stokes parameters , quantum mechanics , spins , coherent states , electromagnetic field , photon entanglement , quantum electrodynamics , optics , quantum , condensed matter physics , scattering , chemistry

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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