• DocumentCode
    1769459
  • Title

    2D cognitive optical data processing with phase change materials

  • Author

    Wang, Qijie ; Maddock, J. ; Rogers, Edward T. F. ; Roy, Tonmoy ; Craig, C. ; MacDonald, K.F. ; Hewak, D.W. ; Zheludev, Nikolay I.

  • Author_Institution
    Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We demonstrate high-density, multi-level crystallization of a Ge2Sb2Te5 thin film using tightly focused femtosecond laser pulses. The optical reflectivity in each distinct phase states level is characterized for applications in ultra-fast cognitive parallel data processing.
  • Keywords
    antimony compounds; chalcogenide glasses; crystallisation; germanium compounds; high-speed optical techniques; laser materials processing; optical information processing; phase change materials; semiconductor thin films; 2D cognitive optical data processing; Ge2Sb2Te5; high-density multilevel crystallization; optical reflectivity; phase change materials; phase state level; thin film; tightly focused femtosecond laser pulses; ultrafast cognitive parallel data processing; Biomedical optical imaging; Optical films; Optical pulses; Optical reflection; Reflectivity; Ultrafast optics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6988343