• DocumentCode
    1690302
  • Title

    Four-state discrimination scheme beyond the heterodyne limit

  • Author

    Müller, Christian R. ; Usuga, Mario A. ; Wittmann, Christoffer ; Takeoka, Masahiro ; Marquardt, Christoph ; Andersen, Ulrik L. ; Leuchs, Gerd

  • Author_Institution
    Max Planck Inst. for the Sci. of Light, Erlangen, Germany
  • fYear
    2012
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We propose and experimentally demonstrate a hybrid discrimination scheme for the quadrature phase shift keying protocol, which outperforms heterodyne detection for any signal power. The discrimination is composed of a quadrature measurement, feed forward and photon detection.
  • Keywords
    heterodyne detection; quadrature phase shift keying; quantum communication; feed forward detection; four state discrimination scheme; heterodyne detection; heterodyne limit; hybrid discrimination scheme; photon detection; quadrature measurement; quadrature phase shift keying protocol; Adaptive optics; Error analysis; Optical mixing; Phase shift keying; Photonics; Protocols; Receivers;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2012 Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-4673-1839-6
  • Type

    conf

  • Filename
    6327050