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Atoms 2016, 4(2), 15; doi:10.3390/atoms4020015

Novel Ion Trap Design for Strong Ion-Cavity Coupling

Department of Physics and Astronomy, University of Sussex, Brighton BN1 9QH, UK
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Academic Editors: Jonathan Goldwin and Duncan O’Dell
Received: 8 January 2016 / Revised: 16 April 2016 / Accepted: 19 April 2016 / Published: 26 April 2016
(This article belongs to the Special Issue Cavity Quantum Electrodynamics with Ultracold Atoms)
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Abstract

We present a novel ion trap design which facilitates the integration of an optical fiber cavity into the trap structure. The optical fibers are confined inside hollow electrodes in such a way that tight shielding and free movement of the fibers are simultaneously achievable. The latter enables in situ optimization of the overlap between the trapped ions and the cavity field. Through numerical simulations, we systematically analyze the effects of the electrode geometry on the trapping characteristics such as trap depths, secular frequencies and the optical access angle. Additionally, we simulate the effects of the presence of the fibers and confirm the robustness of the trapping potential. Based on these simulations and other technical considerations, we devise a practical trap configuration that isviable to achieve strong coupling of a single ion. View Full-Text
Keywords: radio frequency (rf) ion trap; fiber cavity; quantum information communication; quantum internet; quantum computer interface; cavity QED; ion-photon coupling; pseudopotential; trap depth; secular frequency radio frequency (rf) ion trap; fiber cavity; quantum information communication; quantum internet; quantum computer interface; cavity QED; ion-photon coupling; pseudopotential; trap depth; secular frequency
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Márquez Seco, A.; Takahashi, H.; Keller, M. Novel Ion Trap Design for Strong Ion-Cavity Coupling. Atoms 2016, 4, 15.

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