Nature Communications (Oct 2017)

Single-shot measurement of the orbital-angular-momentum spectrum of light

  • Girish Kulkarni,
  • Rishabh Sahu,
  • Omar S. Magaña-Loaiza,
  • Robert W. Boyd,
  • Anand K. Jha

DOI
https://doi.org/10.1038/s41467-017-01215-x
Journal volume & issue
Vol. 8, no. 1
pp. 1 – 8

Abstract

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Efficient measurement of orbital angular momentum spectra presents open challenges. Here, the authors demonstrate a highly-efficient interferometric technique in which the OAM-spectrum information is encoded in the azimuthal intensity profile of the output interferogram.