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  • Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
  • OSA Technical Digest (CD) (Optica Publishing Group, 2008),
  • paper JTuA104

Weak-pulse implementation of SARG04 quantum cryptography protocol in free space

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Abstract

We report a weak-pulse implementation of SARG04 quantum cryptography protocol in free-space. The sifted key generation rate of 22k bit per second and quantum bit error rate of 4% have been demonstrated. We have also studied the long-distance capability of the QKD system by adding optical losses to the quantum channel.

© 2008 Optical Society of America

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