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  Bright integrated photon-pair source for practical passive decoy-state quantum key distribution

Krapick, S., Stefszky, M. S., Jachura, M., Brecht, B., Avenhaus, M., & Silberhorn, C. (2014). Bright integrated photon-pair source for practical passive decoy-state quantum key distribution. PHYSICAL REVIEW A, 89(1): 012329. doi:10.1103/PhysRevA.89.012329.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-665F-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-6660-C
Genre: Journal Article

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 Creators:
Krapick, S.1, Author
Stefszky, M. S.1, Author
Jachura, M.1, Author
Brecht, B.2, Author              
Avenhaus, M.2, Author              
Silberhorn, C.2, Author              
Affiliations:
1external, ou_persistent22              
2Silberhorn Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364718              

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Free keywords: CRYPTOSYSTEMS; CRYPTOGRAPHY; SECURITY; ATTACKOptics; Physics;
 Abstract: We report on a bright, nondegenerate type-I parametric down-conversion source, which is well suited for passive decoy-state quantum key distribution. We show the photon-number-resolved analysis over a broad range of pump powers and we prove heralded higher-order n-photon states up to n = 4. The inferred photon click statistics exhibit excellent agreements to the theoretical predictions. From our measurement results we conclude that our source meets the requirements to avert photon-number-splitting attacks.

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Language(s): eng - English
 Dates: 2014
 Publication Status: Published online
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Degree: -

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Title: PHYSICAL REVIEW A
Source Genre: Journal
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Publ. Info: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Pages: - Volume / Issue: 89 (1) Sequence Number: 012329 Start / End Page: - Identifier: ISSN: 1050-2947