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Control of photon correlations in type II parametric down-conversion

R. Andrews·A. T. Joseph·E. R. Pike·Sarben Sarkar
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Abstract

In this paper we describe theoretically quantum control of temporal correlations of entangled photons produced by collinear type II spontaneous parametric down-conversion. We examine the effect of spectral phase modulation of the signal or idler photons arriving at a 50/50 beam splitter on the temporal shape of the entangled-photon wave packet . The coincidence count rate is calculated analytically for photon pairs in terms of the modulation depth applied to either the signal or idler beam with a spectral phase filter. It is found that the two-photon coincidence rate can be controlled by varying the modulation depth of the spectral filter.

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R. Andrews, A. T. Joseph, E. R. Pike, Sarben Sarkar. 2005-09-28. Control of photon correlations in type II parametric down-conversion. https://doi.org/10.1088/1464-4266/7/12/007

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