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Highly indistinguishable heralded single-photon sources using parametric down conversion

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Title: Highly indistinguishable heralded single-photon sources using parametric down conversion
Authors: Tanida, Masato Browse this author
Okamoto, Ryo Browse this author →KAKEN DB
Takeuchi, Shigeki Browse this author →KAKEN DB
Issue Date: 2-Jul-2012
Publisher: Optical Society of America
Journal Title: Optics Express
Volume: 20
Issue: 14
Start Page: 15275
End Page: 15285
Publisher DOI: 10.1364/OE.20.015275
Abstract: We theoretically and experimentally investigate the conditions necessary to realize highly indistinguishable single-photon sources using parametric down conversion. The visibilities of Hong-Ou-Mandel (HOM) interference between photons in different fluorescence pairs were measured and a visibility of 95.8 ± 2% was observed using a 0.7-mm-long beta barium borate crystal and 2-nm bandpass filters, after compensating for the reflectivity of the beam splitter. A theoretical model of HOM interference visibilities is proposed that considers non-uniform down conversion process inside the nonlinear crystal. It well explains the experimental results.
Rights: © 2012 Optical Society of America
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 竹内 繁樹

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