Title :
Single photon quantum key distribution with continuous variables
Author :
Zhang, Lijian ; Walmsley, Ian A. ; Silberhorn, Christine
Author_Institution :
Clarendon Lab., Univ. of Oxford, Oxford
Abstract :
We propose a quantum key distribution scheme using the spatial properties of the entangled photon pairs generated from parametric downconversion. The security of this scheme is guaranteed by the distributed entanglement.
Keywords :
quantum cryptography; quantum entanglement; quantum optics; distributed entanglement; entangled photon pairs; parametric downconversion; single photon quantum key distribution; Cryptography; Detectors; Information rates; Laboratories; Mutual information; Nonlinear optics; Optical pumping; Photonic crystals; Protocols; Quantum entanglement; (270.0270) Quantum Optics; (999.9999) Quantum information processing;
Conference_Titel :
Lasers and Electro-Optics, 2006 and 2006 Quantum Electronics and Laser Science Conference. CLEO/QELS 2006. Conference on
Conference_Location :
Long Beach, CA
Print_ISBN :
978-1-55752-813-1
Electronic_ISBN :
978-1-55752-813-1
DOI :
10.1109/CLEO.2006.4628904
