• DocumentCode
    2264513
  • Title

    Preparation and characterization of arbitrary states of four-dimensional qudits based on biphotons

  • Author

    Baek, So-Young ; Straupe, Stanislav S. ; Shurupov, Alexander P. ; Kulik, Sergei P. ; Kim, Yoon-Ho

  • Author_Institution
    Dept. of Phys., Pohang Univ. of Sci. & Technol., Pohang
  • fYear
    2008
  • fDate
    4-9 May 2008
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We report an experiment on preparation and characterization of general four-dimensional quantum states using ultrafast-pumped frequency-nondegenerate spontaneous parametric down-conversion. We also discuss two additional experimental schemeswhich offermore complete control of the state purity and entropy.
  • Keywords
    high-speed optical techniques; optical frequency conversion; optical pumping; quantum optics; biphotons; entropy; four-dimensional quantum states; four-dimensional qudits; frequency-nondegenerate downconversion; spontaneous parametric downconversion; state purity; ultrafast pumping; Crystals; Delta modulation; Frequency; Hydrogen; Optical retarders; Physics; Polarization; Quadratic programming; Satellite broadcasting; Tomography; (270.4180) Multiphoton processes; (270.5585) Quantum information and processing;
  • fLanguage
    English
  • Publisher
    iet
  • Conference_Titel
    Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
  • Conference_Location
    San Jose, CA
  • Print_ISBN
    978-1-55752-859-9
  • Type

    conf

  • Filename
    4572714