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Collectively enhanced chiral photon emission from an atomic array near a nanofiber

Jones, Ryan; Buonaiuto, Giuseppe; Lang, Ben; Lesanovsky, Igor; Olmos, Beatriz

Authors

Ryan Jones

Giuseppe Buonaiuto

BEN LANG Ben.Lang@nottingham.ac.uk
Research Fellow in Theory Ofsuperconducting Quantumcircuits



Abstract

Emitter ensembles interact collectively with the radiation field. In the case of a one-dimensional array of atoms near a nanofiber, this collective light-matter interaction does not only lead to an increased photon coupling to the guided modes within the fiber, but also to a drastic enhancement of the chirality in the photon emission. We show that near-perfect chirality can be achieved already for moderately-sized ensembles, containing 10 to 15 atoms, by phase-matching a superradiant collective guided emission mode via an external laser field. This is of importance for developing an efficient interface between atoms and waveguide structures with unidirectional coupling, with applications in quantum computing and communication such as the development of non-reciprocal photon devices or quantum information transfer channels.

Citation

Jones, R., Buonaiuto, G., Lang, B., Lesanovsky, I., & Olmos, B. (2020). Collectively enhanced chiral photon emission from an atomic array near a nanofiber. Physical Review Letters, 124(9), https://doi.org/10.1103/physrevlett.124.093601

Journal Article Type Article
Acceptance Date Jan 21, 2020
Online Publication Date Mar 2, 2020
Publication Date Mar 2, 2020
Deposit Date Jan 23, 2020
Publicly Available Date Mar 2, 2020
Journal Physical Review Letters
Print ISSN 0031-9007
Electronic ISSN 1079-7114
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 124
Issue 9
Article Number 093601
DOI https://doi.org/10.1103/physrevlett.124.093601
Keywords General Physics and Astronomy
Public URL https://nottingham-repository.worktribe.com/output/3785741
Publisher URL https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.093601

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