Interaction of Twisted Light with Electrons in Two-Dimensional Quantum Rings

We investigate the dynamics of charge carriers propagating in a ring being induced by twisted light: The exciting laser beam is assumed to have nonzero orbital angular momentum. The selection rules for the transitions between the eigenstates of the two-dimensional ring are determined with the aid of...

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Bibliographic Details
Published in:Journal of Russian laser research 2018-09, Vol.39 (5), p.465-472
Main Authors: Mike, Péter, Szabó, Lóránt Zs, Földi, Péter
Format: Article
Language:English
Subjects:
Angular momentum
Current carriers
Eigenvectors
Electrons
Laser beams
Lasers
Microwaves
Numerical methods
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
RF and Optical Engineering
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Summary:We investigate the dynamics of charge carriers propagating in a ring being induced by twisted light: The exciting laser beam is assumed to have nonzero orbital angular momentum. The selection rules for the transitions between the eigenstates of the two-dimensional ring are determined with the aid of analytic and numerical methods. Using these results, we gain an insight into the physical process that leads to the transfer of the angular momentum of the laser beam to the electrons in the quantum ring.
ISSN:1071-2836
1573-8760
DOI:10.1007/s10946-018-9741-1