VESHCHUNOV, I. S.; MAGRINI, William; MIRONOV, S. V.; GODIN, A. G.; TREBBIA, B.; BUZDIN, Alexandre I.; TAMARAT, Ph.; LOUNIS, B.

doi:10.1038/ncomms12801

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VESHCHUNOV, I. S.
Laboratoire Photonique, Numérique et Nanosciences [LP2N]
Moscow Institute of Physics and Technology [Moscow] [MIPT]

MAGRINI, William
Laboratoire Ondes et Matière d'Aquitaine [LOMA]
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

MIRONOV, S. V.
Moscow Institute of Physics and Technology [Moscow] [MIPT]
Laboratoire Ondes et Matière d'Aquitaine [LOMA]

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Article de revue

Ce document a été publié dans

Nature Communications. 2016-09-28, vol. 7, p. 12801 (1-7)

Nature Publishing Group

Résumé en anglais

Magnetic field can penetrate into type-II superconductors in the form of Abrikosov vortices, which are magnetic flux tubes surrounded by circulating supercurrents often trapped at defects referred to as pinning sites. Although the average properties of the vortex matter can be tuned with magnetic fields, temperature or electric currents, handling of individual vortices remains challenging and has been demonstrated only with sophisticated magnetic force, superconducting quantum interference device or strain-induced scanning local probe microscopies. Here, we introduce a far-field optical method based on local heating of the superconductor with a focused laser beam to realize a fast, precise and non-invasive manipulation of individual Abrikosov vortices, in the same way as with optical tweezers. This simple approach provides the perfect basis for sculpting the magnetic flux profile in superconducting devices like a vortex lens or a vortex cleaner, without resorting to static pinning or ratchet effects. Since a single vortex can induce a Josephson phase shift, our method also paves the way to fast optical drive of Josephson junctions, with potential massive parallelization of operations.< Réduire

DOI

http://dx.doi.org/10.1038/ncomms12801

Project ANR

Des nanosondes ultra-sensibles pour explorer les distributions de charges électriques dans les supraconducteurs - ANR-12-BS10-0014

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Importé de hal

Unités de recherche

Laboratoire Ondes et Matière d'Aquitaine (LOMA) - UMR 5798