Tuesday, July 31, 2012

1207.6772 (Christian Kraglund Andersen et al.)

Squeezing of Collective Excitations in Spin Ensembles    [PDF]

Christian Kraglund Andersen, Klaus Mølmer
We analyse the possibility to create two-mode spin squeezed states of two separate spin ensembles by inverting the spins in one ensemble and allowing spin exchange between the ensembles via a near resonant cavity field. We investigate the dynamics of the system using a combination of numerical and analytic calculations, and we obtain squeezing for a wide range of parameters. We also investigate the transfer of the squeezing properties to the cavity field and to an output mode from the cavity. Finally, we investigate how the squeezing is affected by effects of inhomogeneities which would be present in solid state implementations of the spin ensembles.
View original: http://arxiv.org/abs/1207.6772

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