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Title: Entanglement persistency of multiphoton entangled states
Authors: Bourennane, M.
Eibl, M.
Gaertner, S.
Kiesel, N.
Kurtsiefer, C. 
Weinfurter, H.
Issue Date: 2006
Citation: Bourennane, M., Eibl, M., Gaertner, S., Kiesel, N., Kurtsiefer, C., Weinfurter, H. (2006). Entanglement persistency of multiphoton entangled states. Physical Review Letters 96 (10) : -. ScholarBank@NUS Repository.
Abstract: We experimentally demonstrate the entanglement persistency when losing photons in three- and four-photon polarization-entangled states. The entanglement properties of the mixed states obtained from multiphoton spontaneous parametric down-conversion are studied via witness and positive partial transpose approaches. Together with a quantification of the bipartite entanglement such analysis enables intuitive understanding of novel multiparty quantum communication protocols. © 2006 The American Physical Society.
Source Title: Physical Review Letters
ISSN: 00319007
DOI: 10.1103/PhysRevLett.96.100502
Appears in Collections:Staff Publications

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