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Single-photon stored-light Ramsey interferometry using Rydberg polaritons

Jiao, Yuechun; Spong, Nicholas L.R.; Hughes, Oliver D.W.; So, Chloe; Ilieva, Teodora; Weatherill, Kevin J.; Adams, Charles S.

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Authors

Yuechun Jiao

Nicholas L.R. Spong

Oliver D.W. Hughes

Chloe So

Teodora Ilieva

Charles S. Adams



Abstract

We demonstrate a single-photon stored-light interferometer, where a photon is stored in a laser-cooled atomic ensemble in the form of a Rydberg polariton with a spatial extent of 10×1×1µm3. The photon is subject to a Ramsey sequence, i.e., “split” into a superposition of two paths. After a delay of up to 450 ns, the two paths are recombined to give an output dependent on their relative phase. The superposition time of 450 ns is equivalent to a free-space propagation distance of 135 m. We show that the interferometer fringes are sensitive to external fields and suggest that stored-light interferometry could be useful for localized sensing applications.

Citation

Jiao, Y., Spong, N. L., Hughes, O. D., So, C., Ilieva, T., Weatherill, K. J., & Adams, C. S. (2020). Single-photon stored-light Ramsey interferometry using Rydberg polaritons. Optics Letters, 45(20), 5888-5891. https://doi.org/10.1364/ol.405143

Journal Article Type Article
Acceptance Date Sep 18, 2020
Online Publication Date Oct 15, 2020
Publication Date 2020-10
Deposit Date Oct 15, 2020
Publicly Available Date Oct 29, 2020
Journal Optics Letters
Print ISSN 0146-9592
Electronic ISSN 1539-4794
Publisher Optica
Peer Reviewed Peer Reviewed
Volume 45
Issue 20
Pages 5888-5891
DOI https://doi.org/10.1364/ol.405143
Related Public URLs https://arxiv.org/abs/2008.04675

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
Published by The Optical Society 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.





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