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Proceedings Paper

Conditionally prepared photon and quantum imaging
Author(s): Alexander I. Lvovsky; Thomas Aichele
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Paper Abstract

We discuss a classical model allowing one to visualize and characterize the optical mode of the single photon generated by means of a conditional measurement on a biphoton produced in parametric down-conversion. The model is based on Klyshko's advanced wave interpretation, but extends beyond it, providing a precise mathematical description of the advanced wave. The optical mode of the conditional photon is shown to be identical to the mode of the classical difference-frequency field generated due to nonlinear interaction of the partially coherent advanced wave with the pump pulse. With this "nonlinear advanced wave model" most coherence properties of the conditional photon become manifest, which permits one to intuitively understand many recent results, in particular, in quantum imaging.

Paper Details

Date Published: 19 October 2004
PDF: 6 pages
Proc. SPIE 5551, Quantum Communications and Quantum Imaging II, (19 October 2004); doi: 10.1117/12.561885
Show Author Affiliations
Alexander I. Lvovsky, Univ. of Calgary (Canada)
Univ. Konstanz (Germany)
Thomas Aichele, Humboldt-Univ. zu Berlin (Germany)


Published in SPIE Proceedings Vol. 5551:
Quantum Communications and Quantum Imaging II
Ronald E. Meyers; Yanhua Shih, Editor(s)

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