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Exotic quantum transport phenomena established in Josephson junctions (JJs) are reflected by a non-sinusoidal current-phase relation (CPR). The solidified approach to measure the CPR is via an asymmetric dc-SQUID with a reference JJ that…

Superconductivity · Physics 2023-08-09 Ian Babich , Andrei Kudriashov , Denis Baranov , Vasily Stolyarov

Josephson junction circuits, such as superconducting quantum interference devices (SQUIDs) and single-flux-quantum (SFQ) circuits, have been applied in both analog and digital systems for their ultralow-noise, high-speed, and…

Superconductivity · Physics 2023-07-07 Yongliang Wang

We propose the use of a waveguidelike transmission line based on direct-current superconducting quantum interference devices (dc-SQUID) and demonstrate that the node flux in this transmission line behaves in the same way as quantum fields…

Quantum Physics · Physics 2017-06-21 Zehua Tian , Jiliang Jing , Andrzej Dragan

Integrating 2D materials into circuit quantum electrodynamics (c-QED) devices is an emerging filed in recent years. This integration not only facilitates the exploration of potential applications in quantum information processing but also…

Gate-level clocking, typical in traditional approaches to Single Flux Quantum (SFQ) technology, makes the effective synthesis of superconducting circuits a significant engineering hurdle. This paper addresses this challenge by employing the…

Hardware Architecture · Computer Science 2024-08-02 Jennifer Volk , Panagiotis Papanikolaou , Georgios Zervakis , Georgios Tzimpragos

Inductance plays a crucial role in the design and optimization of superconducting quantum interference devices (SQUIDs) for quantum sensing applications, since it dictates the sensitivity and coupling ratio with other circuit elements. In…

Superconductivity · Physics 2023-07-06 M. A. Gali Labarias , O. A. Nieves , S. T. Keenan , E. E. Mitchell

Carbon quantum dots (CQDs) are a promising material for electronic applications due to their easy fabrication and interesting semiconductor properties. Further, CQDs exhibit quantum confinement and charging effects, which may lead not only…

Mesoscale and Nanoscale Physics · Physics 2025-06-10 Scott Copeland , Sungguen Ryu , Kazunari Imai , Nicholas Krasco , Zhixiang Lu , David Sanchez , Paul Czubarow

Josephson junction circuits, such as superconducting quantum interference devices (SQUIDs) and single-flux-quantum (SFQ) circuits, have been successfully applied in both analog and digital electronic domains. They are considered to be…

Superconductivity · Physics 2022-10-24 Yongliang Wang

Nano-scale superconducting quantum interference devices (nano-SQUIDS) where the weak-links are made from nano-bridges --- i.e., nano-bridge--SQUIDs (NBSs) --- are one of the most sensitive magnetometers for nano-scale magnetometry. Because…

Superconductivity · Physics 2019-04-10 Dibyendu Hazra

The current-voltage and spectral characteristics of a flux flow oscillator (FFO), based on a long Josephson junction, are studied. The investigations are performed in the range of small bias currents and magnetic fields, where the FFO…

Superconductivity · Physics 2010-12-13 E. A. Frolova , A. L. Pankratov , M. Yu. Levichev , V. L. Vaks

Micron-sized superconducting interference devices ($\mu$-SQUIDs) based on constrictions optimized for minimizing thermal runaway are shown to exhibit voltage oscillations with applied magnetic flux despite their hysteretic behavior. We…

Superconductivity · Physics 2018-11-28 Sourav Biswas , Clemens B. Winkelmann , Hervé Courtois , Anjan K. Gupta

We develop a theory for the current-voltage characteristics of diffusive superconductor-normal metal-superconductor Josephson junctions with resistive interfaces and the distance between the electrodes smaller than the superconducting…

Superconductivity · Physics 2015-06-18 E. V. Bezuglyi , E. N. Bratus' , V. S. Shumeiko

We report on the fabrication and electrical transport properties of gate-tunable superconducting quantum interference devices (SQUIDs), made of semiconducting PbS nanowire contacted with PbIn superconducting electrodes. Applied with a…

Mesoscale and Nanoscale Physics · Physics 2016-01-08 Hong-Seok Kim , Bum-Kyu Kim , Yiming Yang , Xingyue Peng , Soon-Gul Lee , Dong Yu , Yong-Joo Doh

We investigate the coupling factor $\phi_\mu$ that quantifies the magnetic flux $\Phi$ per magnetic moment $\mu$ of a point-like magnetic dipole that couples to a superconducting quantum interference device (SQUID). Representing the dipole…

Superconductivity · Physics 2023-07-13 J. Linek , M. Wyszynski , B. Müller , D. Korinski , M. V. Milošević , R. Kleiner , D. Koelle

Surface dielectric barrier discharge (SDBD) actuators driven by the Pulsed-DC voltages are analyzed. The Pulsed-DC SDBD studied in this work is equivalent to a classical SDBD driven by a tailored Fast-Rise-Slow-Decay (FRSD) voltage…

Plasma Physics · Physics 2020-05-22 Xiancong Chen , Yifei Zhu , Yun Wu , Zhi Su , Hua Liang

We introduce Josephson junction and inductor models in Keysight ADS that feature an auxiliary flux port, and facilitate the expression of flux quantization conditions in simulation of superconducting microwave circuits. We present several…

Superconductivity · Physics 2024-08-16 Ofer Naaman , Ted White , Mohamed Awida Hassan , Derek Slater , Sean Mcilvane , Edwin Yeung , Philip Krantz

Usually, the superconducting quantum interference device (SQUID) consists of two Josephson junctions and the interference therein is modulated by a magnetic flux. In this work, we propose an electrically modulated SQUID consisting of single…

Superconductivity · Physics 2018-01-31 Yong Xu , Salah Uddin , Jun Wang , Zhongshui Ma , Jun-Feng Liu

The steady current-voltage characteristics of ferromagnet-silicon-ferromagnet channels with tunable emitter and collector polarizations are investigated in the presence of spin blockade generalizing the model developed by Pershin Yu V and…

Mesoscale and Nanoscale Physics · Physics 2009-06-02 D. V. Khomitsky

This paper presents a novel direct-injection modular universal power flow and quality control topology exclusively using lower power components. In addition to conventional high-voltage applications, it is particularly attractive for the…

Systems and Control · Electrical Eng. & Systems 2023-11-06 Mowei Lu , Mengjie Qin , Jan Kacetl , Eeshta Suresh , Teng Long , Stefan M. Goetz

In contrast to the extensive literature on thin tunnel junctions and traditional SQUID geometries, there is almost no quantitative experimental data on magnetic control of the Josephson phase in thick SNS weak links. The standard view is…

Superconductivity · Physics 2025-12-10 Aleksey Turchanov