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Related papers: Scanning SQUID susceptometers with sub-micron spat…

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The ability to achieve submillimter isotropic resolution diffusion MR imaging (dMRI) is critically important to study fine-scale brain structures, particularly in the cortex. One of the major challenges in performing submillimeter dMRI is…

Medical Physics · Physics 2020-12-08 Wei-Tang Chang , Khoi Minh Huynh , Pew-Thian Yap , Weili Lin

The Axion Dark Matter eXperiment (ADMX) was designed to detect ultra-weakly interacting relic axion particles by searching for their conversion to microwave photons in a resonant cavity positioned in a strong magnetic field. Given the…

With great interest from the quantum computing community, an immense amount of R&D effort has been invested into improving superconducting qubits. The technologies developed for the design and fabrication of these qubits can be directly…

Instrumentation and Detectors · Physics 2024-11-15 Caleb W. Fink , Chiara P. Salemi , Betty A. Young , David I. Schuster , Noah A. Kurinsky

Cryogenic microcalorimeters are key tools for high-resolution X-ray spectroscopy due to their excellent energy resolution and quantum efficiency close to 100%. Multiple types of microcalorimeters exist, some of which have already proven…

Instrumentation and Detectors · Physics 2023-10-26 Constantin Schuster , Sebastian Kempf

We have prepared meta-atoms based on radio frequency superconducting quantum interference devices (RF SQUIDs) and examined their tunability with dc magnetic field, rf current, and temperature. RF SQUIDs are superconducting split ring…

Superconductivity · Physics 2013-12-24 M. Trepanier , Daimeng Zhang , Oleg Mukhanov , Steven M. Anlage

Superconducting quantum circuits are one of the leading quantum computing platforms. To advance superconducting quantum computing to a point of practical importance, it is critical to identify and address material imperfections that lead to…

Mesoscale and Nanoscale Physics · Physics 2021-11-03 Xiao Guo , Xin He , Zach Degnan , Bogdan C. Donose , Karl Bertling , Arkady Fedorov , Aleksandar D. Rakić , Peter Jacobson

Significant advancements have been made in understanding the physics of transition-edge sensors (TESs) over the past decade. However, key questions remain, particularly a detailed understanding of the current-dependent resistance of these…

We report the results of a detailed numerical analysis of a real resonant spherical gravitational wave antenna operating with six resonant two-mode capacitive transducers read out by superconducting quantum interference devices (SQUID)…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Luciano Gottardi

For several centuries, far-field optical microscopy has remained a key instrument in many scientific disciplines including physical, chemical and biomedical research. Nonetheless, far-field imaging has many limitations: the spatial…

Optics · Physics 2020-01-27 Lyubov V. Amitonova , Johannes F. de Boer

The observation of spatial quantum noise reduction, or spatial squeezing, with a large number of photons can lead to a significant advantage in quantum imaging and quantum metrology due to the scaling of the signal-to-noise ratio with the…

Quantum Physics · Physics 2019-12-25 Ashok Kumar , Alberto M. Marino

The SQCRAMscope is a recently realized Scanning Quantum CRyogenic Atom Microscope that utilizes an atomic Bose-Einstein condensate to measure magnetic fields emanating from solid-state samples. The quantum sensor does so with unprecedented…

Strongly Correlated Electrons · Physics 2020-04-01 Fan Yang , Stephen F. Taylor , Stephen D. Edkins , Johanna Palmstrom , Ian R. Fisher , Benjamin L. Lev

We have investigated asymmetrically shunted Nb/Al-AlO$_x$/Nb direct current (dc) superconducting quantum interference devices (SQUIDs). While keeping the total resistance $R$ identical to a comparable symmetric SQUID with $R^{-1} = R_1^{-1}…

Superconductivity · Physics 2015-06-05 M. Rudolph , J. Nagel , J. M. Meckbach , M. Kemmler , M. Siegel , K. Ilin , D. Koelle , R. Kleiner

We have fabricated planar amorphous Indium Oxide superconducting resonators ($T_c\sim2.8$ K) that are sensitive to frequency-selective radiation in the range of 7 to 10 GHz. Those values lay far below twice the superconducting gap that…

Optics and more recently coherent matter waves enabled inertial sensors such as accelerometers and gyroscopes to reach high levels of resolution and sensitivity. As these technologies rest on physical phenomena that require particular…

Quantum Physics · Physics 2022-10-18 Ilia Khomchenko , Patrick Navez , Henni Ouerdane

Scanning tunneling microscopy (STM) is a notoriously slow technique; Data-recording is serial which renders complex measurement tasks, such as quasiparticle interference (QPI) mapping, impractical. However, QPI would provide insight into…

Other Condensed Matter · Physics 2020-05-06 Jens Oppliger , Fabian Donat Natterer

Cosmic ray muon has strong penetrating power and no ionizing radiation hazards, which makes it an ideal probe for detecting special nuclear materials. In this paper, a high spatial resolution muon tomography system based on Micromegas…

Instrumentation and Detectors · Physics 2022-02-16 Yu Wang , Zhiyong Zhang , Shubin Liu , Zhongtao Shen , Changqing Feng , Jianguo Liu , Yulin Liu

Key performance characteristics are demonstrated for the microwave SQUID multiplexer ($\mu$MUX) coupled to transition edge sensor (TES) bolometers that have been optimized for cosmic microwave background (CMB) observations. In a 64-channel…

Instrumentation and Methods for Astrophysics · Physics 2017-12-19 B. Dober , D. T. Becker , D. A. Bennett , S. A. Bryan , S. M. Duff , J. D. Gard , J. P. Hays-Wehle , G. C. Hilton , J. Hubmayr , J. A. B. Mates , C. D. Reintsema , L. R. Vale , J. N. Ullom

Scanning Probe Microscopy allows for extreme resolution down to the atomic scale. Unfortunately, total scanning range is rather limited, therefore finding a specific position on the sample is tedious. This is an important limitation of many…

Materials Science · Physics 2015-06-12 José Abad , Juan Francisco González Martínez , Jaime Colchero Paetz

Muon radiography is an imaging technique based on muon absorption in matter that allows measurement of internal details in hidden objects or structures. This technique relies on measuring cosmic-ray muons tracks accurately, which reflects…

Instrumentation and Detectors · Physics 2025-10-23 Yu Wang , Shubin Liu , Zhihang Yao , Yulin Liu , Zhiyong Zhang , Zhengyang He , Ziwen Pan , Changqing Feng

Fault-tolerant spin-based quantum computers will require fast and accurate qubit readout. This can be achieved using radio-frequency reflectometry given sufficient sensitivity to the change in quantum capacitance associated with the qubit…