期刊
JOURNAL OF MODERN OPTICS
卷 56, 期 2-3, 页码 201-208出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340802464665
关键词
parametric down conversion; entanglement; speckles; quantum imaging; quantum correlations
类别
Speckle structure of parametric down conversion light has recently received much attention owing to its relevance in view of applications to quantum imaging. The possibility of tailoring the speckle size by acting on the pump properties is an interesting tool for the applications to quantum imaging and in particular to the detection of a weak object under the shot-noise limit. Here we present a systematic detailed experimental study of the speckle structure produced in type II PDC with particular attention to its variation with pump beam properties.
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