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Efficient conditional preparation of high-fidelity single photon states for fiber-optic quantum networks.

Abstract:

Highly correlated photons or, accordingly, high-fidelity single-photon states are a prerequisite for closing detection loopholes in experimental tests of local realism and implementing scalable linear optical quantum computation. We demonstrate a parametric down-conversion source exhibiting a conditional detection efficiency of 51% (with corresponding preparation efficiency of 85%) and extraordinarily high detection rates of up to 8.5 x 10(5) coincidences/(s mW). We exploit a novel type-II ph...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Journal:
Physical Review Letters More from this journal
Volume:
93
Issue:
9
Pages:
093601
Publication date:
2004-08-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Language:
English
Pubs id:
pubs:27568
UUID:
uuid:a9813640-6a7d-4111-9981-9300fc81204d
Local pid:
pubs:27568
Source identifiers:
27568
Deposit date:
2012-12-19

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