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A Josephson diode passes current with zero resistance in one direction but is resistive in the other direction. While such an effect has been observed in several platforms, a large and tunable Josephson diode effect has been rare. Here we…

We report the transport measurements on the InAs self-assembled quantum dots (SAQDs) which have a unique structural zero-dimensionality, coupled to a superconducting quantum interference device (SQUID). Owing to the SQUID geometry, we…

Mesoscale and Nanoscale Physics · Physics 2011-02-10 S. Kim , R. Ishiguro , M. Kamio , Y. Doda , E. Watanebe , K. Shibata , K. Hirakawa , H. Takayanagi

We report on a scanned superconducting quantum interference device (SQUID) microscope operating in a cryogen-free cryostat, with the capability of up to forty RF connections with 20 GHz bandwidth to a device under test. The system utilizes…

Superconductivity · Physics 2025-09-10 Ian W. Haygood , Bochao Xu , John Biesecker , Michael L. Schneider

Tunable couplers enable high-fidelity two-qubit gates leveraging high on/off coupling ratios and reduced crosstalk within a single design. We investigate a galvanically connected direct-current superconducting quantum interference device…

As the quantum generation of electronics takes the stage, a cast of important support electronics is needed to connect these novel devices to our classical worlds. In the case of superconducting electronics, this is a challenge because the…

Applied Physics · Physics 2019-10-25 Hao Li , Ethan Y. Cho , Han Cai , Shane A. Cybart

With the development of novel computing schemes working at cryogenic temperatures, superconducting memory elements have become essential. In this context, superconducting quantum interference devices (SQUIDs) are promising candidates, as…

In this paper we discuss the coupling between a quantum mechanical superconducting quantum interference device (SQUID) and an applied static magnetic field. We demonstrate that the backreaction of a SQUID on the applied field can interfere…

Superconductivity · Physics 2007-05-23 J. F. Ralph , T. D. Clark , M. J. Everitt , P. Stiffell

The superconducting quantum interference device (SQUID) magnetometer is one of the most sensitive experimental techniques to magnetically characterize samples with high sensitivity. Here we present a detailed discussion of possible…

Materials Science · Physics 2015-05-27 M. Sawicki , W. Stefanowicz , A. Ney

We report on the fabrication and electrical transport properties of superconducting quantum interference devices (SQUIDs) made from a (Bi_{1-x}Sb_x)_2Se_3 topological insulator (TI) nanoribbon (NR) connected with Pb0.5In0.5 superconducting…

Superconductivity · Physics 2018-01-25 Nam-Hee Kim , Hong-Seok Kim , Yiming Yang , Xingyue Peng , Dong Yu , Yong-Joo Doh

Nano-electromechanical systems implement the opto-mechanical interaction combining electromagnetic circuits and mechanical elements. We investigate an inductively coupled nano-electromechanical system, where a superconducting quantum…

Quantum Physics · Physics 2023-03-22 Thomas Luschmann , Philip Schmidt , Frank Deppe , Achim Marx , Alvaro Sanchez , Rudolf Gross , Hans Huebl

Network structures by semiconductor nanowires hold great promise for advanced quantum devices, especially for applications in topological quantum computing. In this study, we created networks of PbTe nanowires arranged in loop…

A superconducting quantum interference device with differential output or "DSQUID" was proposed earlier for operation in the presence of large common-mode signals. The DSQUID is the differential connection of two identical SQUIDs. Here we…

Superconductivity · Physics 2019-03-12 I. I. Soloviev , V. I. Ruzhickiy , N. V. Klenov , S. V. Bakurskiy , M. Yu. Kupriyanov

We replace the Josephson junction defining a three-junction flux qubit's properties with a tunable direct current superconducting quantum interference devices (DC-SQUID) in order to tune the qubit gap during the experiment. We observe…

Superconductivity · Physics 2015-05-19 Xiaobo Zhu , Alexander Kemp , Shiro Saito , Kouichi Semba

We introduce a three-junction SQUID that can be effectively used as an optimal tunable element in Josephson quantum computing applications. This device can replace the simple dc SQUID generally used as tunable element in this kind of…

An ordinary superconducting quantum interference device (SQUID) contains two weak links connected in parallel. We model a multiple-wire SQUID (MW-SQUID), generalized in two ways. First, the number of weak links, which are provided by…

Superconductivity · Physics 2025-06-24 Cliff Sun , Alexey Bezryadin

A particular superconducting quantum interference device (SQUID)qubit, indicated as double SQUID qubit, can be manipulated by rapidly modifying its potential with the application of fast flux pulses. In this system we observe coherent…

Superconductivity · Physics 2012-05-08 F. Chiarello , E. Paladino , M. G. Castellano , C. Cosmelli , A. D'Arrigo , G. Torrioli , G. Falci

Superconducting quantum interference device (SQUID) which is made of two parallel Josephson junctions has applications in magnetometry. A similar spin-based device is proposed here where spin superfluid in ferromagnet (FM) mimics the…

Superconductivity · Physics 2024-01-17 Md Rakibul Karim Akanda

A phase-slip flux qubit, exactly dual to a charge qubit, is composed of a superconducting loop interrupted by a phase-slip junction. Here we propose a tunable phase-slip flux qubit by replacing the phase-slip junction with a charge-related…

Superconductivity · Physics 2015-06-15 Hu Zhao , Tiefu Li , Jianshe Liu , Wei Chen , J. Q. You

We study nanodevices based on ultrathin superconducting nanowires connected in parallel to form nanowire SQUIDs. The function of the critical current versus magnetic field, $I_{C}(B)$, is multivalued, asymmetric and its maxima and minima…

Superconductivity · Physics 2017-09-20 Andrew Murphy , Alexey Bezryadin

We present transport measurements of unshunted dc superconducting quantum interference devices (SQUIDs) consisting of 30 nm wide aluminum nanobridges of varying length L contacted with two and three dimensional banks. 3D nanobridge SQUIDs…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 R. Vijay , E. M. Levenson-Falk , D. H. Slichter , I. Siddiqi