Nonlocalized Generation of Correlated Photon Pairs in Degenerate Down-Conversion

Forbes, Kayn A., Ford, Jack S. and Andrews, David L. (2017) Nonlocalized Generation of Correlated Photon Pairs in Degenerate Down-Conversion. Physical Review Letters, 118 (13). ISSN 0031-9007

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Abstract

The achievement of optimum conversion efficiency in conventional spontaneous parametric down- conversion requires consideration of quantum processes that entail multisite electrodynamic coupling, actively taking place within the conversion material. The physical mechanism, which operates through virtual photon propagation, provides for photon pairs to be emitted from spatially separated sites of photon interaction; occasionally pairs are produced in which each photon emerges from a different point in space. The extent of such nonlocalized generation is influenced by individual variations in both distance and phase correlation. Mathematical analysis of the global contributions from this mechanism provides a quantitative measure for a degree of positional uncertainty in the origin of down-converted emission.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Faculty of Science
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Depositing User: Pure Connector
Date Deposited: 06 Apr 2017 06:59
Last Modified: 06 Nov 2020 01:11
URI: https://ueaeprints.uea.ac.uk/id/eprint/63173
DOI: 10.1103/PhysRevLett.118.133602

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