Лаборатория Квантовой Информации

Лаборатория Квантовой Информации
и Квантовой Оптики

Наши публикации

KSRHHK-EABT-13
K. S. Kravtsov, S. S. Straupe, I. V. Radchenko, N. M. T. Houlsby, F. Huszár and S. P. Kulik,
«Experimental adaptive Bayesian tomography»,
Phys. Rev. A, 87(6), 062122 (2013).

Аннотация:
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 N^{−1} scaling of infidelity with overall number of registered events, while the best nonadaptive protocols allow for N^{−1/2} scaling only. Experiments are performed for polarization qubits, but the approach is readily adapted to any dimension.


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