Scientists have produced nanometer-sized plasmon swirls on a metal surface that can perform useful work.
Laser Technology: Changing the Orbital Angular Momentum of Laser Beams - 2016 - Wiley Analytical Science
Researchers Produce Electromagnetic Solitons with Angular Momentum----Chinese Academy of Sciences
Photons, phonons, and plasmons with orbital angular momentum in plasmas
Watching the Dynamics of the Orbital Angular Momentum of Plasmons - 2017 - Wiley Analytical Science
Department of Physical Sciences : News & Events
Plasmon Orbital Angular Momentum Generation
The local orbital angular momentum per photon, calculated in the planes
Theoretical Nanophotonics Group
APR: Twisted plasmonic spin skyrmion
Photonics, Free Full-Text