Infoptics

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Thurday Dec. 3rd, 2009, room A2-07, 10:30 am.

Speaker: Carolina Vannier Borges (IF-UFF)

Title: Bell-like inequality for spin-orbit separability of a classical laser beam

Abstract:
In analogy with Bell’s inequality for two-qubit quantum states we propose an inequality criterion for the non-separability of the spin-orbit degrees of freedom of a classical laser beam. A deﬁnition of separable and non-separable spin-orbit modes is used in consonance with the one presented in Phys. Rev. Lett. 99, 160401 (2007). As the usual Bell’s inequality can be violated for entangled two- qubit quantum states, we show both theoretically and experimentally that the proposed spin-orbit inequality criterion can be violated for non- separable modes. A discussion on the classical-quantum transition is also presented.

This is joint work with M. Hor-Meyll, J.A.O. Huguenin and A.Z. Khoury

Infoptics

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