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Optical manipulation of single flux quanta

Author

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  • I. S. Veshchunov

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N
    Moscow Institute of Physics and Technology)

  • W. Magrini

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N
    Université de Bordeaux, LOMA)

  • S. V. Mironov

    (Moscow Institute of Physics and Technology
    Université de Bordeaux, LOMA)

  • A. G. Godin

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N)

  • J.-B. Trebbia

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N)

  • A. I. Buzdin

    (Université de Bordeaux, LOMA)

  • Ph. Tamarat

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N)

  • B. Lounis

    (Université de Bordeaux, LP2N
    Institut d’Optique & CNRS, LP2N)

Abstract

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 in superconductors can be tuned with magnetic fields, temperature or electric currents, handling of individual Abrikosov vortices remains challenging and has been demonstrated only with sophisticated 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 and precise manipulation of individual 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.

Suggested Citation

  • I. S. Veshchunov & W. Magrini & S. V. Mironov & A. G. Godin & J.-B. Trebbia & A. I. Buzdin & Ph. Tamarat & B. Lounis, 2016. "Optical manipulation of single flux quanta," Nature Communications, Nature, vol. 7(1), pages 1-7, November.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms12801
    DOI: 10.1038/ncomms12801
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