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

Witlef Wieczorek, Christian Schmid, Nikolai Kiesel, Reinhold Pohlner, Otfried Gühne, and Harald Weinfurter
Phys. Rev. Lett. 101, 010503 – Published 3 July 2008

Abstract

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.

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  • Received 16 April 2008

DOI:https://doi.org/10.1103/PhysRevLett.101.010503

©2008 American Physical Society

Authors & Affiliations

Witlef Wieczorek1,2,*, Christian Schmid1,2, Nikolai Kiesel1,2, Reinhold Pohlner1,2, Otfried Gühne3,4, and Harald Weinfurter1,2

  • 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

  • *witlef.wieczorek@mpq.mpg.de

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Vol. 101, Iss. 1 — 4 July 2008

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