Lucy Downes lucy.downes@durham.ac.uk
Post Doctoral Research Associate
Rapid readout of terahertz orbital angular momentum beams using atom-based imaging
Downes, Lucy A.; Whiting, Daniel J.; Adams, C. Stuart; Weatherill, Kevin J.
Authors
Daniel J. Whiting
Professor Stuart Adams c.s.adams@durham.ac.uk
Professor
Professor Kevin Weatherill k.j.weatherill@durham.ac.uk
Professor
Abstract
We demonstrate the rapid readout of terahertz orbital angular momentum (OAM) beams using an atomic-vapor-based imaging technique. OAM modes with both azimuthal and radial indices are created using phase-only transmission plates. The beams undergo terahertz-to-optical conversion in an atomic vapor, before being imaged in the far field using an optical CCD camera. In addition to the spatial intensity profile, we also observe the self-interferogram of the beams by imaging through a tilted lens, allowing the sign and magnitude of the azimuthal index to be read out directly. Using this technique, we can reliably read out the OAM mode of low-intensity beams with high fidelity in 10 ms. Such a demonstration is expected to have far-reaching consequences for proposed applications of terahertz OAM beams in communications and microscopy.
Citation
Downes, L. A., Whiting, D. J., Adams, C. S., & Weatherill, K. J. (2022). Rapid readout of terahertz orbital angular momentum beams using atom-based imaging. Optics Letters, 47(22), 6001-6004. https://doi.org/10.1364/ol.476945
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 24, 2022 |
Online Publication Date | Nov 11, 2022 |
Publication Date | Nov 15, 2022 |
Deposit Date | Nov 15, 2022 |
Publicly Available Date | Nov 15, 2022 |
Journal | Optics Letters |
Print ISSN | 0146-9592 |
Electronic ISSN | 1539-4794 |
Publisher | Optica |
Peer Reviewed | Peer Reviewed |
Volume | 47 |
Issue | 22 |
Pages | 6001-6004 |
DOI | https://doi.org/10.1364/ol.476945 |
Public URL | https://durham-repository.worktribe.com/output/1186549 |
Related Public URLs | https://pubmed.ncbi.nlm.nih.gov/37219157/ |
Files
Published Journal Article
(5.1 Mb)
PDF
Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
Copyright Statement
Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this
work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
You might also like
Giant microwave–optical Kerr nonlinearity via Rydberg excitons in cuprous oxide
(2024)
Journal Article
Ergodicity breaking from Rydberg clusters in a driven-dissipative many-body system.
(2024)
Journal Article
Emergence of Synchronization in a Driven-Dissipative Hot Rydberg Vapor
(2023)
Journal Article
Terahertz electrometry via infrared spectroscopy of atomic vapor
(2022)
Journal Article
Downloadable Citations
About Durham Research Online (DRO)
Administrator e-mail: dro.admin@durham.ac.uk
This application uses the following open-source libraries:
SheetJS Community Edition
Apache License Version 2.0 (http://www.apache.org/licenses/)
PDF.js
Apache License Version 2.0 (http://www.apache.org/licenses/)
Font Awesome
SIL OFL 1.1 (http://scripts.sil.org/OFL)
MIT License (http://opensource.org/licenses/mit-license.html)
CC BY 3.0 ( http://creativecommons.org/licenses/by/3.0/)
Powered by Worktribe © 2024
Advanced Search