Longitudinal fields of quantized Laguerre-Gaussian modes

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Forbes, Kayn ORCID: https://orcid.org/0000-0002-8884-3496, Green, Dale ORCID: https://orcid.org/0000-0002-2549-0486 and Jones, Garth (2021) Longitudinal fields of quantized Laguerre-Gaussian modes. In: Complex Light and Optical Forces XV. Proceedings of SPIE - The International Society for Optical Engineering, XV . SPIE. ISBN 9781510642379

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Abstract

Longitudinal fields of quantized Laguerre-Gaussian modes are derived, revealing their importance even for light that may be considered to be propagating in the paraxial regime. This is in contrast to unstructured laser light, e.g. a Gaussian beam, where the magnitude of longitudinal components only become important under strong-focusing of the source. The unique effects stem specifically from the optical angular momentum, both orbital and spin, of optical vortex light, and include spin-orbit interactions in freely-propagating circularly-polarized vortices in free-space. The contribution that longitudinal fields make to the rate of single-photon absorption is calculated, highlighting that for optical vortices they cannot be neglected in general.

Item Type: Book Section
Uncontrolled Keywords: non-paraxial optics,light-matter interactions,optical orbital angular momentum,optical vortex,spin-orbit interactions of light,twisted light,electronic, optical and magnetic materials,condensed matter physics,computer science applications,applied mathematics,electrical and electronic engineering ,/dk/atira/pure/subjectarea/asjc/2500/2504
Faculty \ School: Faculty of Science > School of Chemistry
UEA Research Groups: Faculty of Science > Research Groups > Chemistry of Light and Energy
Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
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Depositing User: LivePure Connector
Date Deposited: 03 Jun 2021 14:24
Last Modified: 09 Feb 2023 13:32
URI: https://ueaeprints.uea.ac.uk/id/eprint/80198
DOI: 10.1117/12.2577515

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