C Schmid et al 2007 New J. Phys. 9 236 doi:10.1088/1367-2630/9/7/236
The entanglement of the four-photon cluster state
Focus on Measurement-Based Quantum Information ProcessingC Schmid1, N Kiesel, W Wieczorek and H Weinfurter
Show affiliationsPart of Focus on Measurement-Based Quantum Information Processing
Measurement based quantum computation draws its power from the remarkable entanglement properties of the cluster states. This contribution analyses the entanglement and its persistency of an experimentally realized four-photon cluster state. We describe how spontaneous parametric down conversion together with linear optics quantum logic can be used for the experimental study.
- PACS
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03.67.Lx Quantum computation architectures and implementations
42.50.Dv Quantum state engineering and measurements
03.67.Mn Entanglement measures, witnesses, and other characterizations
- Subjects
- Dates
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Issue 7 (July 2007)
Received 9 March 2007
Published 17 July 2007
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The entanglement of the four-photon cluster state
C Schmid et al 2007 New J. Phys. 9 236
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