Local Josephson vortex generation and manipulation with a Magnetic Force Microscope

Viacheslav V. Dremov, Sergey Yu. Grebenchuk, Andrey G. Shishkin, Denis S. Baranov, Razmik A. Hovhannisyan, Olga V. Skryabina, Nickolay Lebedev, Igor A. Golovchanskiy, Vladimir I. Chichkov, Christophe Brun, Tristan Cren, Vladimir M. Krasnov, Alexander A. Golubov, Dimitri Roditchev and Vasily S. Stolyarov ()
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Viacheslav V. Dremov: Moscow Institute of Physics and Technology
Sergey Yu. Grebenchuk: Moscow Institute of Physics and Technology
Andrey G. Shishkin: Moscow Institute of Physics and Technology
Denis S. Baranov: Moscow Institute of Physics and Technology
Razmik A. Hovhannisyan: Moscow Institute of Physics and Technology
Olga V. Skryabina: Moscow Institute of Physics and Technology
Nickolay Lebedev: Moscow Institute of Physics and Technology
Igor A. Golovchanskiy: Moscow Institute of Physics and Technology
Vladimir I. Chichkov: National University of Science and Technology MISIS
Christophe Brun: Institut des Nanosciences de Paris, INSP, UMR-7588, Sorbonne University, CNRS
Tristan Cren: Institut des Nanosciences de Paris, INSP, UMR-7588, Sorbonne University, CNRS
Vladimir M. Krasnov: Moscow Institute of Physics and Technology
Alexander A. Golubov: Moscow Institute of Physics and Technology
Dimitri Roditchev: Moscow Institute of Physics and Technology
Vasily S. Stolyarov: Moscow Institute of Physics and Technology

Nature Communications, 2019, vol. 10, issue 1, 1-9

Abstract: Abstract Josephson vortices play an essential role in superconducting quantum electronics devices. Often seen as purely conceptual topological objects, 2π-phase singularities, their observation and manipulation are challenging. Here we show that in Superconductor—Normal metal—Superconductor lateral junctions Josephson vortices have a peculiar magnetic fingerprint that we reveal in Magnetic Force Microscopy (MFM) experiments. Based on this discovery, we demonstrate the possibility of the Josephson vortex generation and manipulation by the magnetic tip of a MFM, thus paving a way for the remote inspection and control of individual nano-components of superconducting quantum circuits.

Date: 2019
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DOI: 10.1038/s41467-019-11924-0

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