J G Rarity et al 2002 New J. Phys. 4 82 doi:10.1088/1367-2630/4/1/382
Ground to satellite secure key exchange using quantum cryptography
Focus on Quantum CryptographyJ G Rarity1, P R Tapster1, P M Gorman1 and P Knight2
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We examine the possibility of secure key exchange between a ground station and a low earth orbit satellite using the technique of quantum cryptography. The study suggests there are no technical obstacles to building a system that could exchange keys at kilobaud rates between a metre diameter telescope on the ground and a satellite with a 10 cm diameter lightweight telescope.
- PACS
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03.67.Dd Quantum cryptography and communication security
84.40.Ua Telecommunications: signal transmission and processing; communication satellites
- Subjects
- Dates
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Issue 1 (October 2002)
Received 26 June 2002, in final form 7 October 2002
Published 29 October 2002
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Ground to satellite secure key exchange using quantum cryptography
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