Complete and deterministic discrimination of polarization Bell states assisted by momentum entanglement

Barbieri, M., Vallone, G., Mataloni, P. and De Martini, F. (2007) Complete and deterministic discrimination of polarization Bell states assisted by momentum entanglement. Physical Review A, 75 4: 042317-1-042317-4. doi:10.1103/PhysRevA.75.042317

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Author Barbieri, M.
Vallone, G.
Mataloni, P.
De Martini, F.
Title Complete and deterministic discrimination of polarization Bell states assisted by momentum entanglement
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2007-01-01
Sub-type Article (original research)
DOI 10.1103/PhysRevA.75.042317
Open Access Status File (Publisher version)
Volume 75
Issue 4
Start page 042317-1
End page 042317-4
Total pages 4
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2008
Language eng
Abstract A complete and deterministic Bell state measurement was realized by a simple linear optics experimental scheme which adopts two-photon polarization-momentum hyperentanglement. The scheme, which is based on the discrimination among the single photon Bell states of the hyperentangled state, requires the adoption of standard single photon detectors. The four polarization Bell states have been measured with average fidelity F=0.889 +/- 0.010 by using the linear momentum degree of freedom as the ancilla. The feasibility of the scheme has been characterized as a function of the purity of momentum entanglement.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Podolsky-rosen Channels
Quantum Cryptography
Communication
Inequality
Time
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
2008 Higher Education Research Data Collection
 
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Created: Tue, 19 Feb 2008, 03:04:42 EST