@ARTICLE {19054,
author={A. M. Cunha and G.  Figueira and P.S André},
doi={10.1007/s11082-016-0668-x},
journal={Optical and Quantum Electronics},
title={Enabling the study of photons orbital angular momentum for optical communications},
year={2016},
month={August},
volume={48},
number={9},
pages={1-13},
ISSN={0306-8919}
}