• DocumentCode
    415501
  • Title

    Continuous variable key distribution: beating the 3 dB loss limit

  • Author

    Silberhorn, Christine ; Lutkenhaus, Norbert ; Ralph, Timothy C. ; Leuchs, Gerd

  • Author_Institution
    Phys. Inst., Erlangen-Nurnberg Univ., Erlangen, Germany
  • fYear
    2003
  • fDate
    22-27 June 2003
  • Firstpage
    404
  • Abstract
    It was believed until recently that quantum key distribution with continuous variables would be restricted to losses below 3 dB due to the beam splitting attack. We show that post-selection allows to overcome this limitation.
  • Keywords
    optical beam splitters; optical losses; quantum cryptography; quantum optics; beam splitting; continuous variable key distribution; loss limit; quantum key distribution; Cloning; Density measurement; Eigenvalues and eigenfunctions; Polarization; Quantum entanglement; Robustness; State estimation; Teleportation; Tomography;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Quantum Electronics Conference, 2003. EQEC '03. European
  • Print_ISBN
    0-7803-7733-8
  • Type

    conf

  • DOI
    10.1109/EQEC.2003.1314262
  • Filename
    1314262
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=415501