Continuous-variable QKD with post-selection is secure

Post-selection is a standard part of discrete variable QKD protocols, however attempts to prove security when post-selection is deployed in continuous variable QKD protocols have until now been limited. Here, by using a carefully tailored post-selection protocol, we prove unconditional security and...

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Bibliographic Details
Published in2013 IEEE Photonics Society Summer Topical Meeting Series p. 165
Main Authors Ralph, T. C., Walk, N., Symul, T., Lam, P. K.
Format Conference Proceeding
LanguageEnglish
Published 01.07.2013
Subjects
Australia
Educational institutions
Loss measurement
Physics
Protocols
Quantum computing
Security
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Summary:Post-selection is a standard part of discrete variable QKD protocols, however attempts to prove security when post-selection is deployed in continuous variable QKD protocols have until now been limited. Here, by using a carefully tailored post-selection protocol, we prove unconditional security and show that significant performance improvements are achieved.
ISSN:1099-4742
2376-8614
DOI:10.1109/PHOSST.2013.6614521