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Title: Free space quantum key distribution: Towards a real life application
Authors: Weier, H.
Schmitt-Manderbach, T.
Regner, N.
Kurtsiefer, C. 
Weinfurter, H.
Keywords: Free space
Quantum cryptography
Quatum key distribution
Issue Date: Aug-2006
Citation: Weier, H., Schmitt-Manderbach, T., Regner, N., Kurtsiefer, C., Weinfurter, H. (2006-08). Free space quantum key distribution: Towards a real life application. Fortschritte der Physik 54 (8-10) : 840-845. ScholarBank@NUS Repository.
Abstract: Quantum key distribution (QKD) [1] is the first method of quantum information science that will find its way into our everyday life. It employs fundamental laws of quantum physics to ensure provably secure symmetric key generation between two parties. The key can then be used to encrypt and decrypt sensitive data with unconditional security. Here, we report on a free space QKD implementation using strongly attenuated laser pulses over a distance of 480 m. It is designed to work continuously without human interaction. Until now, it produces quantum keys unattended at night for more than 12 hours with a sifted key rate of more than 50 kbit/s and a quantum bit error rate between 3% and 5%. © 2006 WILEY-VCH Verlag GmbH & Co. KGaA.
Source Title: Fortschritte der Physik
ISSN: 00158208
DOI: 10.1002/prop.200610322
Appears in Collections:Staff Publications

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