• DocumentCode
    2793436
  • Title

    Simple experimental generation of a four-photon cluster state and distinguishing classes of genuine four-qubit entanglement using witness operators

  • Author

    Tokunaga, Yuuki ; Kuwashiro, Shin ; Yamamoto, Takashi ; Koashi, Masato ; Imoto, Nobuyuki

  • Author_Institution
    NTT Information Sharing Platform Laboratories, NTT Corporation, 1-1 Hikari-no-oka, Yokosuka, Kanagawa 239-0847, Japan
  • fYear
    2007
  • fDate
    6-11 May 2007
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We experimentally demonstrate a simple scheme for generating a four-photon cluster state. We show that the produced state has genuine four-qubit entanglement which is discriminated from a class including GHZ and W types of entanglement.
  • Keywords
    Electronic mail; Laboratories; Optical pulses; Optical retarders; Photonic crystals; Physics; Polarization; Quantum computing; Quantum entanglement; Space vector pulse width modulation;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics and Laser Science Conference, 2007. QELS '07
  • Conference_Location
    Baltimore, MD, USA
  • Print_ISBN
    978-1-55752-834-6
  • Type

    conf

  • DOI
    10.1109/QELS.2007.4431704
  • Filename
    4431704
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2793436