Local transformation of two einstein-podolsky-rosen photon Pairs into a three-photon W state

Toshiyuki Tashima, Tetsuroh Wakatsuki, Ş Ahin Kaya Özdemir, Takashi Yamamoto, Masato Koashi, Nobuyuki Imoto

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76 Scopus citations

Abstract

We propose and experimentally demonstrate a transformation of two Einstein-Podolsky-Rosen photon pairs distributed among three parties into a three-photon W state using local operations and classical communication. We then characterize the final state using quantum state tomography on the three-photon state and on its marginal bipartite states. The fidelity of the final state to the ideal W state is 0.778±0.043 and the expectation value for its witness operator is -0.111±0.043 implying the success of the proposed local transformation.

Original languageEnglish (US)
Article number130502
JournalPhysical Review Letters
Volume102
Issue number13
DOIs
StatePublished - Mar 30 2009

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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