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Proceedings Paper

Quantum tomography of the optical four level states
Author(s): S. P. Kulik; G. A. Maslennikov; E. V. Moreva; S. S. Straupe
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Paper Abstract

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.

Paper Details

Date Published: 9 June 2006
PDF: 8 pages
Proc. SPIE 6181, Photon Echo and Coherent Spectroscopy 2005, 618101 (9 June 2006); doi: 10.1117/12.674976
Show Author Affiliations
S. P. Kulik, Moscow State Univ. (Russia)
G. A. Maslennikov, National Intitute of Singapore (Singapore)
E. V. Moreva, Moscow Engineering Physics Institute, State Univ. (Russia)
S. S. Straupe, Moscow State Univ. (Russia)

Published in SPIE Proceedings Vol. 6181:
Photon Echo and Coherent Spectroscopy 2005
Vitaly V. Samartsev, Editor(s)

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