State reconstruction by on/off measurements
arXiv:0903.0104 · doi:10.1103/PhysRevA.80.022114
Abstract
We demonstrate a state reconstruction technique which provides either the Wigner function or the density matrix of a field mode and requires only avalanche photodetectors, without any phase or amplitude discrimination power. It represents an alternative, of simpler implementation, to quantum homodyne tomography.
6 pages, 4 figures, revised and enlarged version
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