We describe a complete continuous variable quantum key distribution setup, reaching more than 2 kbit/s over 25 km. Time-multiplexing is used, and reconciliation is performed using fast and efficient LDPC error correcting codes.
© 2008 Optical Society of America
S. Fossier, J. Lodewyck, E. Diamanti, M. Bloch, T. Debuisschert, R. Tualle-Brouri, and P. Grangier, "Quantum Key Distribution over 25 km Using a Fiber Setup Based on Continuous Variables," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optical Society of America, 2008), paper QWE2.
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