• DocumentCode
    733084
  • Title

    Composite multi-vortex diffraction-free beams and van Hove singularities in honeycomb lattices

  • Author

    Paltoglou, Vassilis ; Zhigang Chen ; Efremidis, Nikolaos K.

  • Author_Institution
    Dept. of Math. & Appl. Math., Univ. of Crete, Heraklion, Greece
  • fYear
    2015
  • fDate
    10-15 May 2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We find that honeycomb lattices support diffraction-free multi-vortices above the van-Hove singularity. Exact solutions for the spinor components are obtained in the Dirac limit. Right at the singularity the solutions become infinite extend stripes.
  • Keywords
    optical lattices; optical vortices; Dirac limit; composite multivortex diffraction-free beams; honeycomb lattices; spinor components; van-Hove singularity; Graphene; Lattices; Optical diffraction; Optical propagation; Periodic structures; Scattering;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2015 Conference on
  • Conference_Location
    San Jose, CA
  • Type

    conf

  • Filename
    7183521
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=733084