Лаборатория Квантовой Информации

Лаборатория Квантовой Информации
и Квантовой Оптики

Наши публикации

KMMS-QTOFLS-06
S. P. Kulik, G. A. Maslennikov, E. V. Moreva and S. S. Straupe,
«Quantum tomography of the optical four level states»,
in Photon Echo and Coherent Spectroscopy 2005, Vol. 6181. Proceedings of SPIE, 2006. pp.618101.

Аннотация:
We discuss a procedure of measurement of an arbitrary quantum state of an optical system in Hilbert space with the dimension d=4. Such states can be realized using a collinear frequency-nondegenerate regime of spontaneous parametric down-conversion. The method has been tested for a number of polarization states of a biphoton field. A high accuracy of the reconstruction of the states (above 99%) indicates that the procedures proposed for reconstructing the quantum state of the system are adequate.


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