Dr. Shih-I Pai Lecture
Charles W. Clark presents the 29th Dr. Shih-I Pai Lecture
"Generation, Detection and Application of Twisted Waves of Light and Neutrons"
About 50 years ago, "Dislocations in wave trains" came into play. Twenty years on, "Dislocations" became a '90s hit following the ingenious experiments of Soskin et al., which showed the promise of applications of twisted or structured light with non-vanishing orbital angular momentum about its propagation axis. Modern use cases for such modalities include increased communication bandwidth for 6G applications. Quantum particle beams can also be shaped by analogue tools of optics. This talk will include recent results for neutrons, made possible by microfabricated synthetic holograms containing millions of forked dislocation gratings of the type envisaged by Soskin, et al.
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