DocumentCode
415504
Title
Experimental demonstration of 4 party quantum secret sharing and multiparty quantum key distribution
Author
Bourennane, M. ; Eibl, Matthias ; Kurtsiefer, Christian ; Weinfurter, Harald
fYear
2003
fDate
22-27 June 2003
Firstpage
415
Abstract
A polarization entangled 4-photon state is shown to be directly created by parametric down-conversion. How this state can be used for quantum secret sharing is discussed. Quantum key distribution is distributed to 3 of the 4 parties. Experimental implementation of this multiparty quantum secure communication schemes and demonstration of a 4-party quantum secret-sharing protocol are presented.
Keywords
optical frequency conversion; protocols; quantum cryptography; quantum entanglement; 4 party quantum secret sharing; multiparty quantum key distribution; parametric down-conversion; polarization entangled 4-photon state; Atom optics; Dispersion; Frequency; Gases; Laboratories; Optical computing; Physics; Quantum computing; Reflectivity; Resonance;
fLanguage
English
Publisher
ieee
Conference_Titel
Quantum Electronics Conference, 2003. EQEC '03. European
Print_ISBN
0-7803-7733-8
Type
conf
DOI
10.1109/EQEC.2003.1314273
Filename
1314273
Link To Document