Characterization of bipartite states using a single homodyne detector
classification
🪐 quant-ph
keywords
statesbipartitedetectorhomodynesinglebeamcharacterizationcharacterize
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We suggest a scheme to reconstruct the covariance matrix of a two-mode state using a single homodyne detector plus a polarizing beam splitter and a polarization rotator. It can be used to fully characterize bipartite Gaussian states and to extract relevant informations on generic states.
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