Friday, March 22, 2013

1303.5355 (Giulia Ferrini et al.)

Compact Gaussian quantum computation by multi-pixel homodyne detection    [PDF]

Giulia Ferrini, Jean-Pierre Gazeau, Thomas Coudreau, Claude Fabre, Nicolas Treps
We study the possibility of producing and detecting continuous variable cluster states in an optical set-up in an extremely compact fashion. This method is based on a multi-pixel homodyne detection system recently demonstrated experimentally, which includes classical data post-processing. It allows to incorporate the linear optics network, usually employed in standard experiments for the production of cluster states, in the stage of the measurement. After giving an example of cluster state generation by this method, we further study how this procedure can be generalized to perform gaussian quantum computation.
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