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Conditional preparation of single photons using parametric downconversion: a recipe for purity

Abstract:

In an experiment reported recently (Mosley et al 2008 Phys. Rev. Lett. 100 133601), we demonstrated that, through group velocity matched parametric downconversion, heralded single photons can be generated in pure quantum states without spectral filtering. The technique relies on factorable photon pair production, initially developed theoretically in the strict collinear regime; focusing - required in any experimental implementation - can ruin this factorability. Here, we present the numerical...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1088/1367-2630/10/9/093011

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Institution:
University of Oxford
Research group:
Ultrafast Group
Department:
Mathematical,Physical & Life Sciences Division - Physics - Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Ultrafast Group
Department:
Mathematical,Physical & Life Sciences Division - Physics - Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Ultrafast Group
Department:
Mathematical,Physical & Life Sciences Division - Physics - Atomic & Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Research group:
Ultrafast Group
Department:
Mathematical,Physical & Life Sciences Division - Physics - Atomic & Laser Physics
Role:
Author
More from this funder
Funding agency for:
B. J. Smith
European Commission More from this funder
Publisher:
Institute of Physics Publishing Ltd. Publisher's website
Journal:
New Journal of Physics Journal website
Volume:
10
Issue:
9
Pages:
Article: 093011
Publication date:
2008-09-05
DOI:
EISSN:
1367-2630
URN:
uuid:1b90be06-d760-4c68-9c8b-a69425149243
Local pid:
ora:2486

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