Phys. Rev. Lett. 101, 010503 (2008) [4 pages]

Experimental Observation of an Entire Family of Four-Photon Entangled States

Abstract

References

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Witlef Wieczorek^1,2,*, Christian Schmid^1,2, Nikolai Kiesel^1,2, Reinhold Pohlner^1,2, Otfried Gühne^3,4, and Harald Weinfurter^1,2
¹Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, D-85748 Garching, Germany
²Department für Physik, Ludwig-Maximilians-Universität, D-80797 München, Germany
³Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, A-6020 Innsbruck, Austria
⁴Institut für Theoretische Physik, Universität Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria

Received 16 April 2008; published 3 July 2008

A single linear-optical setup is used to observe an entire family of four-photon entangled states. This approach breaks with the inflexibility of present linear-optical setups usually designed for the observation of a particular multipartite entangled state only. The family includes several prominent entangled states that are known to be highly relevant for quantum information applications.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.101.010503

DOI:

10.1103/PhysRevLett.101.010503

PACS:

03.67.Bg, 03.67.Mn, 42.50.Ex, 42.65.Lm

^*witlef.wieczorek@mpq.mpg.de

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Phys. Rev. Lett. 101, 010503 (2008) [4 pages]

Experimental Observation of an Entire Family of Four-Photon Entangled States