Документ взят из кэша поисковой машины. Адрес оригинального документа : http://qi.phys.msu.ru/en/papers/28/
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Publications :: Quantum Information Laboratory
Quantum Information Laboratory

Quantum Information and Quantum Optics Laboratory

Publications

BGKMM-RPSBF-05
Yu.љI.љBogdanov, R.љF.љGaleev, S.љP.љKulik, G.љA.љMaslennikov and E.љV.љMoreva,
?Reconstruction of the polarization states of a biphoton field?,
JETP Letters, 82(3), 164?168 (2005).

Abstract:
A method for reconstructing an arbitrary quantum state of an optical system in Hilbert space with dimension d=4 is discussed. Such states can be realized using a collinear frequency-nondegenerate regime of generating spontaneous parametric down-conversion. The method has been tested for a number of polarization states of a biphoton field. The 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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