• DocumentCode
    1770062
  • Title

    Spatiotemporal coherence of GaN excitons excited by an optical vortex with multiple orbital angular momentum

  • Author

    Shigematsu, Kyohhei ; Yamane, Keisaku ; Morita, Ryuji ; Toda, Yuichiro

  • Author_Institution
    Dept. of Appl. Phys., Hokkaido Univ., Sapporo, Japan
  • fYear
    2014
  • fDate
    8-13 June 2014
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    The spatiotemporal coherence of excitons is investigated by degenerate four-wavemixing using optical vortices with multiple orbital angular momentum (OAM). The OAM-resolved signal indicates that the topological phase with large OAM is robust against spatial decoherence.
  • Keywords
    III-V semiconductors; angular momentum; excitons; gallium compounds; light coherence; multiwave mixing; optical vortices; spatiotemporal phenomena; wide band gap semiconductors; GaN; OAM-resolved signal; excitons; four wave mixing; multiple orbital angular momentum; optical vortex; spatiotemporal coherence; topological phase; Coherence; Excitons; Laser beams; Optical vortices; Probes; Signal resolution; Spatial resolution;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2014 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    6988715