Simultaneous minimum-uncertainty measurement of discrete-valued complementary observables
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We have made the first experimental demonstration of the simultaneous minimum uncertainty product between two complementary observables for a two-state system (a qubit). A partially entangled two-photon state was used to perform such measurements. Each of the photons carries (partial) information of the initial state thus leaving a room for measurements of two complementary observables on every member in an ensemble.
4 pages, 4 figures, REVTeX, submitted to PRL
4 pages, 4 figures, REVTeX, submitted to PRL