Measuring the quantum statistics of an atom laser beam

Details Measuring the quantum statistics of an atom laser beam Measuring the quantum statistics of an atom laser beam

2006-10-10

arxiv.org/abs/quant-ph/0610064v1

Phys. Rev. A 76, 033603 (2007)

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.76.033603

We propose and analyse a scheme for measuring the quadrature statistics of an atom laser beam using extant optical homodyning and Raman atom laser techniques. Reversal of the normal Raman atom laser outcoupling scheme is used to map the quantum statistics of an incoupled beam to an optical probe beam. A multimode model of the spatial propagation dynamics shows that the Raman incoupler gives a clear signal of de Broglie wave quadrature squeezing for both pulsed and continuous inputs. Finally, we show that experimental realisations of the scheme may be tested with existing methods via measurements of Glauber's intensity correlation function.

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