Photon statistics and spatial properties of photon pairs generated by spontaneous parametric down-conversion

Martin Hamar; Jan Peřina Jr.; Ondřej Haderka

doi:10.1117/12.638777

6 December 2006 Photon statistics and spatial properties of photon pairs generated by spontaneous parametric down-conversion

Martin Hamar, Jan Peřina Jr., Ondřej Haderka

Author Affiliations +

Proceedings Volume 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 594501 (2006) https://doi.org/10.1117/12.638777
Event: 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2005, Nitra, Slovakia

Abstract

Measurement of photon-number statistics of fields composed of photon pairs generated in spontaneous parametric down-conversion pumped by strong ultrashort pulses is described. Finite detection quantum efficiencies, noises as well as possible loss of one or both photons from a pair are taken into account. Measured data provided by an intensified CCD camera are analyzed along the developed model. The joint signal-idler photon-number distribution is obtained using the expectation maximization algorithm. Covariance of the signal and idler photon-numbers exceeds 98%. Entanglement area of the correlated photon pairs is determined.

Citation Download Citation

Martin Hamar, Jan Peřina Jr., and Ondřej Haderka "Photon statistics and spatial properties of photon pairs generated by spontaneous parametric down-conversion", Proc. SPIE 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 594501 (6 December 2006); https://doi.org/10.1117/12.638777

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