Quantum Devices Group

Josephson junctions for superconducting computing and superconducting qubits. Electrodynamics of superconductors and superconducting devices. Thing film sputtering techniques.

Volodymyr Shnyrkov
Mikhail Belogolovskii
Andrey Shapovalov
Alexey Kalenyuk
Suvorov1 Alexander Suvorov

Cooperation:

Prof. Paul Seidel, Institute for Solid State Physics, Friedrich-Schiller University, Jena, Germany
Dr. Pascal Febvre, IMEP-LAHC, Savoie Universite Mont Blanc, Chambery, France
Dr. Natascia De Leo, National Institute for Metrological Research, Turin, Italy
Prof. John Ketterson, Department of Physics and Astronomy, Northwestern University, Evanston, USA
Prof. Vladimir Krasnov, Department of Physics, Stockholm University, Sweden

Selected publications:

Low-frequency measurement of the tunneling amplitude in a flux qubit - M. Grajcar, A. Izmalkov, E. Il'ichev, Th. Wagner, N. Oukhanski, U. Huebner, T. May, I. Zhilyaev, H.E. Hoenig, Ya.S. Greenberg, V.I. Shnyrkov, D. Born, W. Krech, H.-G. Meyer, A.M. van den Brink, M.H.S. Amin, Phys. Rev. B 69, 060501(R) (2004).
Quantum superposition of three macroscopic states and superconducting qutrit detector - V.I. Shnyrkov, A.A. Soroka, O.G. Turutanov, Physical Review B 85, 224512 (2012).
Universality of transport properties of ultrathin oxide films - V Lacquaniti, M Belogolovskii, C Cassiago, N De Leo, M Fretto, A Sosso, New Journal of Physics 14, 023025 (2012).
Voltage-and temperature-controllable quantum-data processing across three-terminal superconducting nanodevices - M Belogolovskii, E Zhitlukhina, P Seidel, Applied Nanoscience, 1-9 (2019).
On the possibility of faster detection of magnetic flux changes in a single-photon counter by RF SQUID with MoRe–Si (W)–MoRe junction - AP Shapovalov, VE Shaternik, OG Turutanov, VY Lyakhno, VI Shnyrkov, Low Temperature Physics 45, 776-784 (2019).
Phase-Sensitive Evidence for the Sign-Reversal s+- Symmetry of the Order Parameter in an Iron-Pnictide Superconductor Using NbBa(1-x)NaxFe2As2 Josephson Junctions - A. A. Kalenyuk, A. Pagliero, E. A. Borodianskyi, A. A. Kordyuk, V. M. Krasnov, Phys. Rev. Lett. 120, 067001 (2018).