Spatial correlations in hexagons generated via a Kerr nonlinearity

Details Spatial correlations in hexagons generated via a Kerr nonlinearity Spatial correlations in hexagons generated via a Kerr nonlinearity

2001-08-03

arxiv.org/abs/quant-ph/0108015v1

Phys. Rev. A 65, 013816 (2002).

Physics

Quantum Physics

ReVTeX file, 20 pages, 7 eps figures

Scientific paper

10.1103/PhysRevA.65.013816

We consider the hexagonal pattern forming in the cross-section of an optical beam produced by a Kerr cavity, and we study the quantum correlations characterizing this structure. By using arguments related to the symmetry broken by the pattern formation, we identify a complete scenario of six-mode entanglement. Five independent phase quadratures combinations, connecting the hexagonal modes, are shown to exhibit sub-shot-noise fluctuations. By means of a non-linear quantum calculation technique, quantum correlations among the mode photon numbers are demonstrated and calculated.

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