| On the application of a monolithic array for detecting intensity-correlated photons emitted by different source types. | |
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MedLine Citation:
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PMID: 19687987 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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It is not widely appreciated that many subtleties are involved in the accurate measurement of intensity-correlated photons; even for the original experiments of Hanbury Brown and Twiss (HBT). Using a monolithic 4 x 4 array of single-photon avalanche diodes (SPADs), together with an off-chip algorithm for processing streaming data, we investigate the difficulties of measuring second-order photon correlations g((2))(x(iota), t(iota),x, t) in a wide variety of light fields that exhibit dramatically different correlation statistics: a multimode He-Ne laser, an incoherent intensity-modulated lamp-light source and a thermal light source. Our off-chip algorithm treats multiple photon-arrivals at pixel-array pairs, in any observation interval, with photon fluxes limited by detector saturation, in such a way that a correctly normalized g((2)) function is guaranteed. The impact of detector background correlations between SPAD pixels and afterpulsing effects on second-order coherence measurements is discussed. These results demonstrate that our monolithic SPAD array enables access to effects that are otherwise impossible to measure with stand-alone detectors. |
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Authors:
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D L Boiko; N J Gunther; N Brauer; M Sergio; C Niclass; G B Beretta; E Charbon |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Optics express Volume: 17 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2009 Aug |
Date Detail:
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Created Date: 2009-08-18 Completed Date: 2009-11-16 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 15087-103 Citation Subset: IM |
Copyright Information:
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(c) 2009 Optical Society of America |
Affiliation:
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Centre Suisse d'Electronique et de Microtechnique SA, 2002, Neuchâtel, Switzerland. dmitri.boiko@csem.ch |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms Equipment Design / methods Helium / chemistry Interferometry / methods Lasers Light Models, Statistical Neon / chemistry Optics and Photonics* Photons Reproducibility of Results |
| Chemical | |
Reg. No./Substance:
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7440-01-9/Neon; 7440-59-7/Helium |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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