• DocumentCode
    3701188
  • Title

    Exploiting the unique intensity gradient of an orbital-angular-momentum beam for accurate receiver alignment monitoring in a free-space communication link

  • Author

    Guodong Xie;Long Li;Yongxiong Ren;Yan Yan;Nisar Ahmed;Zhe Zhao;Zhe Wang;Nima Ashrafi;Solyman Ashrafi;Roger D. Linquist;Alan E. Willner

  • Author_Institution
    Department of Electrical Engineering, University of Southern California, Los Angeles, CA 90089, USA
  • fYear
    2015
  • Firstpage
    1
  • Lastpage
    3
  • Abstract
    We investigate a pointing and tracking approach for an OAM multiplexing free-space communication link based on the measurement of the intensity gradient of the received beam. The OAM intensity gradient-based approach may potentially improve the system´s tracking accuracy.
  • Keywords
    "Optical beams","Detectors","Laser beams","Receivers","Multiplexing","Arrays","Apertures"
  • Publisher
    ieee
  • Conference_Titel
    Optical Communication (ECOC), 2015 European Conference on
  • Type

    conf

  • DOI
    10.1109/ECOC.2015.7341883
  • Filename
    7341883