• DocumentCode
    732742
  • Title

    Asymmetric conical diffraction and generation of non-integer phase singularities in photonic graphene

  • Author

    Daohong Song ; Sheng Liu ; Paltoglou, Vassilis ; Gallardo, Daniel ; Liqin Tang ; Jingjun Xu ; Efremidis, Nikolaos K. ; Zhigang Chen

  • Author_Institution
    Sch. of Phys., Nankai Univ., Tianjin, China
  • fYear
    2015
  • fDate
    10-15 May 2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We demonstrate asymmetric conical diffraction accompanied by pseudospin-mediated non-integer phase singularities when two sublattices of photonic graphene are equally excited near the Dirac points. Experimental and numerical results agree with analysis of the Dirac equation.
  • Keywords
    graphene; light diffraction; C; Dirac points; asymmetric conical diffraction; photonic graphene; pseudospin-mediated noninteger phase singularities; sublattices; Diffraction; Graphene; Lattices; Mathematical model; Optical vortices; Photonics; Physics;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2015 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    7183179