10.1364/AOP.3.000272.m005 Miguel A. Alonso Miguel A. Alonso Media 5: Wigner functions in optics: describing beams as ray bundles and pulses as particle ensembles Optica Publishing Group 2011 pulse media 31 December 2011 function Advance optic Photonics particle ensembles ray bundles aop Optics Wigner 2011-12-31 00:00:00 Media https://opticapublishing.figshare.com/articles/media/Media_5_Wigner_functions_in_optics_describing_beams_as_ray_bundles_and_pulses_as_particle_ensembles/4910822 Originally published in Advances in Optics and Photonics on 31 December 2011 (aop-3-4-272)