By Mikhail I. Kolobov
This publication offers an summary of the newest development within the area of quantum imaging. It displays 3 and a part years of analysis performed by way of top experts within the zone in the Quantum Imaging community, a learn programme of the eu Community.
Quantum Imaging is a newly born department of quantum optics that investigates the final word functionality limits of optical imaging allowed by way of the legislation of quantum mechanics. utilizing the tools and methods from quantum optics, quantum imaging addresses the questions of snapshot formation, processing and detection with sensitivity and backbone exceeding the boundaries of classical imaging.
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Extra resources for Quantum imaging
Gatti and E. Brambilla, J. Opt. B: Quant. Semiclass. Opt. 4, S176 (2002), and references therein. 44 A. Gatti, E. Brambilla, O. Jedrkiewicz, and L. A. Lugiato 14. D. V. Strekalov, A. V. Sergienko, D. N. Klyshko, and Y. H. Shih, Phys. Rev. Lett. 74, 3600 (1995). 15. F. Ferri, D. Magatti, A. Gatti, M. Bache, E. Brambilla, and L. A. Lugiato Phys. Rev. Lett. 94, 183602 (2005). 16. R. S. Bennink, S. J. Bentley, and R. W. Boyd, Phys. Rev. Lett. 89, 113601 (2002). 17. W. A. T. Nogueira, S. P. Walborn, S.
34) In the experiment these averages are evaluated as spatial averages performed over the set of equivalent symmetrical pixel-pairs contained in the chosen sample regions, on which the mean photon number distribution is nearly uniform (see Fig. 8a,c). Each single shot of the laser provides a diﬀerent ensemble, characterized by its pixel-pair average pe number ns + ni , in turn related to the parametric gain. In the experiment, ensembles corresponding to diﬀerent gains are obtained by varying the pump-pulse energy.
32) , where, as we said, we ignore the frequency variable Ω. 33) 2 Spatial Entanglement in Optical Parametric Down-Conversion 25 where |n, x is the Fock state with n photons at point x. In this limit, there is ideally a perfect correlation in the number of signal–idler photons at the same near-ﬁeld position (position entanglement). 3 Near- and Far-Field Correlations: Numerical Results in the General Case We now present the results obtained from the numerical model that includes the eﬀects of the ﬁnite pump.