Fizika Nizkikh Temperatur: Volume 43, Number 7 (July 2017), p. 1037-1045    ( to contents , go back )

From single SQUID to superconducting quantum arrays

V.K. Kornev and N.V. Kolotinskiy

Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia
E-mail: kornev@phys.msu.ru

A.V. Sharafiev

Institution of Quantum Optics and Quantum Information, Innsbruck 6020, Austria

I.I. Soloviev

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow 119991, Russia

O.A. Mukhanov

HYPRES, Inc., 175 Clearbrook Road, Elmsford, NY 10523, USA

Received February 7, 2017

Abstract

Superconducting quantum arrays (SQAs) capable of providing highly linear voltage response to magnetic signal and high dynamic range have been suggested and developed. Base elements of the arrays, quantum cells, were devised and studied in detail. Using niobium process, SQAs with different number of the cells and prototypes of the SQA-based broadband active electrically small antennas were fabricated and tested.

PACS: 85.25.–j Superconducting devices;
PACS: 85.25.Dq Superconducting quantum interference devices (SQUIDs);
PACS: 85.25.Cp Josephson devices.

Key words: Josephson junctions, SQUID, superconducting quantum arrays, quantum cells, linearity, dynamic range, broadband devices.

Published online: May 25, 2017

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