1. HOMODYNE CHARACTERIZATION OF CONTINUOUS VARIABLE BIPARTITE STATES.
- Author
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Porzio, Alberto, D'Auria, Virginia, Solimeno, Salvatore, Olivares, Steffano, and Paris, Matteo G. A.
- Subjects
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MATRICES (Mathematics) , *MATHEMATICAL variables , *DETECTORS , *POLARIZATION (Electricity) , *GAUSSIAN processes , *BIPARTITE graphs - Abstract
We suggest a scheme to reconstruct the covariance matrix of continuous variable two-mode states using a single homodyne detector and a few polarization elements. Our method can be used to fully characterize the bipartite Gaussian entangled states obtained at the output of a (nondegenerate) optical parametric amplifier driven below threshold, as well as to extract relevant informations on generic bipartite states made of two frequency degenerate but orthogonally polarized modes. [ABSTRACT FROM AUTHOR]
- Published
- 2007
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