Experimental Adaptive Bayesian Tomography
arXiv:1303.1792 · doi:10.1103/PhysRevA.87.062122
Abstract
We report an experimental realization of an adaptive quantum state tomography protocol. Our method takes advantage of a Bayesian approach to statistical inference and is naturally tailored for adaptive strategies. For pure states we observe close to 1/N scaling of infidelity with overall number of registered events, while best non-adaptive protocols allow for scaling only. Experiments are performed for polarization qubits, but the approach is readily adapted to any dimension.
7 pages, 6 figures, updated version
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