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Experimental multilocation remote state preparation
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
2013 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 88, no 3, 032304- p.Article in journal (Refereed) Published
Abstract [en]

Transmission of quantum states is a central task in quantum information science. Remote state preparation (RSP) has the same goal as teleportation, i.e., transferring quantum information without sending physically the information carrier, but in RSP the sender knows the state which is to be transmitted. We present experimental demonstrations of RSP for two and three locations. In our experimental scheme Alice (the preparer) and her three partners share four and six photon polarization entangled singlets. This allows us to perform RSP of two or three copies of a single-qubit state, a two-qubit Bell state, and a three-qubit W, or (W) over bar state. A possibility to prepare two-qubit nonmaximally entangled and GHZ states is also discussed. The ability to remotely prepare an entangled states by local projections at Alice is a distinguishing feature of our scheme.

Place, publisher, year, edition, pages
2013. Vol. 88, no 3, 032304- p.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:su:diva-94735DOI: 10.1103/PhysRevA.88.032304ISI: 000324050200003OAI: oai:DiVA.org:su-94735DiVA: diva2:655116
Note

AuthorCount:4;

Funding Agencies:

Swedish Research Council (VR);  Wenner-Gren Foundations;  EU program Q-ESSENCE; CHIST-ERA/NCBiR project QUASAR;  Foundation for Polish Science HOMING-PLUS/2011-4/11; NCN 2012/05/E/ST2/02352 

Available from: 2013-10-10 Created: 2013-10-09 Last updated: 2017-12-06Bibliographically approved

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