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Reconfigurable Josephson Phase Shifter
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics. Moscow Institute of Physics and Technology, Russia.
Stockholm University, Faculty of Science, Department of Physics.
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Number of Authors: 62021 (English)In: Nano Letters, ISSN 1530-6984, E-ISSN 1530-6992, Vol. 21, no 12, p. 5240-5246Article in journal (Refereed) Published
Abstract [en]

Phase shifter is one of the key elements of quantum electronics. In order to facilitate operation and avoid decoherence, it has to be reconfigurable, persistent, and nondissipative. In this work, we demonstrate prototypes of such devices in which a Josephson phase shift is generated by coreless superconducting vortices. The smallness of the vortex allows a broad-range tunability by nanoscale manipulation of vortices in a micron-size array of vortex traps. We show that a phase shift in a device containing just a few vortex traps can be reconfigured between a large number of quantized states in a broad [−3π, +3π] range.

Place, publisher, year, edition, pages
2021. Vol. 21, no 12, p. 5240-5246
Keywords [en]
superconductivity, Josephson junctions, Abrikosov vortices, cryo-electronics
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-196183DOI: 10.1021/acs.nanolett.1c01366ISI: 000668003400045PubMedID: 34114467OAI: oai:DiVA.org:su-196183DiVA, id: diva2:1591758
Available from: 2021-09-07 Created: 2021-09-07 Last updated: 2022-02-25Bibliographically approved

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Golod, TarasHovhannisyan, Razmik A.Kapran, Olena M.Stolyarov, Vasily S.Krasnov, Vladimir M.

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