Transfer and evolution of structured polarization in a double-V atomic system

Li, Z., Franke-Arnold, S. , Clark, T., Wang, J. , Zhang, D. and Wang, C. (2022) Transfer and evolution of structured polarization in a double-V atomic system. Optics Express, 30(11), pp. 19812-19823. (doi: 10.1364/OE.457368)

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Abstract

We numerically investigate the transfer of optical information from a vector-vortex control beam to an unstructured probe beam, as mediated by an atomic vapour. The right and left circular components of these beams drive the atomic transitions of a double-V system, with the atoms acting as a spatially varying circular birefringent medium. Modeling the propagation of the light fields, we find that, for short distances, the vectorial light structure is transferred from the control field to the probe. However, for larger propagation lengths, diffraction causes the circular components of the probe field to spatially separate. We model this system for the D1 line of cold rubidium atoms and demonstrate that four wave mixing can lead to correlations between the optical polarization structure and the diffraction of light, generating coupled dynamics of the internal and external degrees of freedom.

Item Type:Articles
Additional Information:Funding: National Natural Science Foundation of China (62075130); HORIZON EUROPE Marie Sklodowska-Curie Actions (721465); Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (2017-1.2.1-NKP-2017-00001); China Scholarship Council (201906280228).
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Franke-Arnold, Professor Sonja and Wang, Dr Chunfang and Wang, Jinwen and Clark, Thomas
Authors: Li, Z., Franke-Arnold, S., Clark, T., Wang, J., Zhang, D., and Wang, C.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Optics Express
Publisher:Optical Society of America
ISSN:1094-4087
ISSN (Online):1094-4087
Published Online:19 May 2022
Copyright Holders:Copyright © 2022 Optica Publishing Group
First Published:First published in Optics Express 30(11): 19812-19823
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
300412Collective effects and optomechanics in ultra-cold matterSonja Franke-ArnoldEuropean Commission (EC)721465P&S - Physics & Astronomy