Abstract
The procedure of measurement followed by the reconstruction of the quantum state of a three-level optical system is implemented for a frequency-and spatially degenerate two-photon field. The method of statistical estimation of the quantum state from a solution to the likelihood equation and the analysis of the statistical properties of the obtained estimators is developed. Using the root method of estimating quantum states, the initial two-photon (qutrit) wave function is reconstructed from the measured fourth-order field moments.
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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 78, No. 6, 2003, pp. 804–809.
Original Russian Text Copyright © 2003 by Bogdanov, Krivitsky, Kulik.
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Bogdanov, Y.I., Krivitsky, L.A. & Kulik, S.P. Statistical reconstruction of the quantum states of three-level optical systems. Jetp Lett. 78, 352–357 (2003). https://doi.org/10.1134/1.1630126
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DOI: https://doi.org/10.1134/1.1630126