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Quantum Error Mitigation is essential for enhancing the reliability of quantum computing experiments. The adaptive KIK error mitigation method has demonstrated significant advantages, including resilience to temporal noise drifts,…

Quantum Physics · Physics 2026-03-10 Ben Bar , Jader P. Santos , Raam Uzdin

A superconducting quantum interference device (SQUID) miniaturized into nanoscale is promising in the inductive detection of a single electron spin. A nano-SQUID with a strong spin coupling coefficient, a low flux noise, and a wide working…

Mesoscale and Nanoscale Physics · Physics 2016-12-28 Lei Chen , Hao Wang , Xiaoyu Liu , Long Wu , Zhen Wang

The ever-increasing quest for data-level parallelism and variable precision in ubiquitous multimedia and Deep Neural Network (DNN) applications has motivated the use of Single Instruction, Multiple Data (SIMD) architectures. To alleviate…

Hardware Architecture · Computer Science 2020-11-03 Zahra Ebrahimi , Salim Ullah , Akash Kumar

Among some of the current uses of the DC Superconducting QUantum Interference Devices (SQUIDs) are qubit-readouts and sensors for probing properties of quantum materials. We present a rather unique gradiometric niobium SQUID design with…

Superconductivity · Physics 2020-07-15 Ilya Sochnikov , Donovan Davino , Beena Kalisky

We have fabricated arrays of High-T$_c$ Superconducting Quantum Interference Devices (SQUIDs) with randomly distributed loop sizes as sensitive antennas for Radio-Frequency (RF) waves. These sub-wavelength size devices known as…

Steadily growing interest in magnetic characterization of organic compounds for therapeutic purposes or of other irregularly shaped specimens calls for refinements of experimental methodology to satisfy experimental challenges.…

Materials Science · Physics 2022-01-13 Katarzyna Gas , Maciej Sawicki

In the past, magnetic images acquired using scanning Superconducting Quantum Interference Device (SQUID) microscopy have been interpreted using simple models for the sensor point spread function. However, more complicated modeling is needed…

Superconducting Quantum Interference Devices (SQUIDs) are one of the most popular devices in superconducting electronics. They combine the Josephson effect with the quantization of magnetic flux in superconductors. This gives rise to one of…

Superconductivity · Physics 2018-05-21 M. J. Martínez-Pérez , D. Koelle

As we have seen for digital camera market and a sensor resolution increasing to "megapixels", all the scientific and high-tech imagers (whatever the wave length - from radio to X-ray range) tends also to always increases the pixels number.…

Instrumentation and Detectors · Physics 2015-09-02 Damien Prêle

We study theoretically the efficiency of an asymmetric superconducting quantum interference device (SQUID) which is constructed as a loop with three capacitively and resistively shunted Josephson junctions. Two junctions are placed in…

Statistical Mechanics · Physics 2021-04-27 J. Spiechowicz , J. Łuczka

Multiplexers based on the modulation of superconducting quantum interference devices are now regularly used in multi-kilopixel arrays of superconducting detectors for astrophysics, cosmology, and materials analysis. Over the next decade,…

Instrumentation and Methods for Astrophysics · Physics 2012-05-02 K. D. Irwin , H. M. Cho , W. B. Doriese , J. W. Fowler , G. C. Hilton , M. D. Niemack , C. D. Reintsema , D. R. Schmidt , J. N. Ullom , L. R. Vale

Analog circuit design can be formulated as a non-linear constrained optimisation problem that can be solved using any suitable optimisation algorithms. Different optimisation techniques have been reported to reduce the design time of analog…

Emerging Technologies · Computer Science 2021-06-22 Ria Rashid , Nandakumar Nambath

For a squeezing-enhanced SU(2) interferometer, we theoretically investigate the possibility to broaden the phase range of sub-shot-noise sensitivity. We show that this goal can be achieved by implementing detection in both output ports,…

Using superconducting quantum interference devices (SQUIDs) as basic, low-loss elements of thin-film metamaterials has one main advantage: Their resonance frequency is easily tunable by applying a weak magnetic field. The downside, however,…

Superconductivity · Physics 2013-10-22 S. Butz , P. Jung , L. V. Filippenko , V. P. Koshelets , A. V. Ustinov

We report noise measurements performed on a SQUID magnetometer implementing Grooved Dayem nanobridge of YBCO as weak-links. The SQUID shows magnetic flux noise as low as 10 $\mu \Phi_0$/Hz$^{0.5}$. The magnetometer is realized by coupling…

To better understand the working principles of Superconducting Quantum Interference Device (SQUID) direct readout schemes, which work in different bias and amplifier modes with different internal feedback schemes, we present the complete…

Instrumentation and Detectors · Physics 2021-09-28 Yongliang Wang , Guofeng Zhang , Shulin Zhang , Liangliang Rong , Yong Wang , Xiaoming Xie

In this paper we discuss design concepts for increasing the spatial resolution, improving the sensitivity, and reducing the invasiveness in scanning Superconducting Quantum Interference Device (SQUID) microscope sensors with integrated flux…

Superconductivity · Physics 2010-02-09 Nicholas C. Koshnick , John R. Kirtley , Kathryn A. Moler

In superconducting quantum interference devices (SQUIDs), the superconducting diode effect may be generated by interference of multiple harmonic components in the current-phase relationships (CPRs) of different branches forming SQUID loops.…

Superconductivity · Physics 2026-04-16 Wyatt Gibbons , Teng Zhang , Kevin Barrow , Tyler Lindemann , Jukka I. Väyrynen , Michael J. Manfra

Sensitive magnetometers that can operate in high magnetic fields are essential for detecting magnetic resonance signals originating from small ensembles of quantum spins. Such devices have potential applications in quantum technologies, in…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 Josiah Cochran , Giovanni Franco-Rivera , Denghui Zhang , Lei Chen , Zhen Wang , Irinel Chiorescu