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Highly Polarizable Rydberg Ion in a Paul Trap
Stockholm University, Faculty of Science, Department of Physics. Universit├Ąt Innsbruck, Austria.ORCID iD: 0000-0003-0946-8067
Stockholm University, Faculty of Science, Department of Physics.ORCID iD: 0000-0003-1994-766X
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Number of Authors: 42019 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 123, no 15, article id 153602Article in journal (Refereed) Published
Abstract [en]

Usually the influence of the quadratic Stark effect on an ion's trapping potential is minuscule and only needs to be considered in atomic clock experiments. In this work we excite a trapped ion to a Rydberg state with polarizability similar to 8 orders of magnitude higher than a low-lying electronic state; we find that the highly polarizable ion experiences a vastly different trapping potential owing to the Stark effect. We observe changes in trap stiffness, equilibrium position, and minimum potential, which can be tuned using the trapping electric fields. These effects lie at the heart of several proposed studies, including a high-fidelity submicrosecond entangling operation; in addition we demonstrate these effects may be used to minimize ion micromotion. Mitigation of Stark effects is important for coherent control of Rydberg ions; we illustrate this by carrying out the first Rabi oscillations between a low-lying electronic state and a Rydberg state of an ion.

Place, publisher, year, edition, pages
2019. Vol. 123, no 15, article id 153602
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-175802DOI: 10.1103/PhysRevLett.123.153602ISI: 000489831000005OAI: oai:DiVA.org:su-175802DiVA, id: diva2:1372096
Available from: 2019-11-22 Created: 2019-11-22 Last updated: 2020-01-23Bibliographically approved

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