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Quantum cryptography using photon source based on postselection from entangled two-photon states | | Jan Perina Jr
; Ondrej Haderka
; Jan Soubusta
; | | Date: |
17 Jul 2001 | | Subject: | quant-ph | | Affiliation: | 1 and 2), Ondrej Haderka (1 and 2), Jan Soubusta (1 and 2) ( Institute of Physics AV CR, Czech Republic, Palacky University, Czech Republic | | Abstract: | A photon source based on postselection from entangled photon pairs produced by parametric frequency down-conversion is suggested. Its ability to provide good approximations of single-photon states is examined. Application of this source in quantum cryptography for quantum key distribution is discussed. Advantages of the source compared to other currently used sources are clarified. Future prospects of the photon source are outlined. | | Source: | arXiv, quant-ph/0107086 | | Services: | Forum | Review | PDF | Favorites | |
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