High-performance gate-controlled superconducting switches: Large output voltage and reproducibility

L Ruf, E Scheer, A Di Bernardo - ACS nano, 2024 - ACS Publications
Logic circuits consist of devices that can be controlled between two distinct states. The
recent demonstration that a superconducting current flowing in a constriction can be …

Gate-Controlled Superconducting Switch in GaSe/NbSe2 van der Waals Heterostructure

Y Ding, C Hu, W Li, L Chen, J He, Y Zhang, X Zeng… - ACS …, 2024 - ACS Publications
The demand for low-power devices is on the rise as semiconductor engineering approaches
the quantum limit, and quantum computing continues to advance. Two-dimensional (2D) …

Typicality in random quantum scattering

M Avalle, A Serafini - Physical Review E, 2024 - APS
We consider scattering processes where a quantum system comprises an inner subsystem
and a boundary and is subject to Haar-averaged random unitaries acting on the boundary …

High-energy electron injection in top-gated niobium microbridges for enhanced power efficiency and localized control

H Du, Z Xu, P Zhang, D Li, Z Wei, Z Wang… - Applied Physics …, 2024 - pubs.aip.org
This study explores gate-controlled superconductivity in metallic superconductors by
employing a top-gate architecture with a 15 nm monocrystalline h-BN as a gate dielectric …

Optimizing The Laser Spot Positioning on Tailored Microcantilevers Used in Atomic Force Microscopy

G Bhattacharya, I Lionadi, J Ward… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The advancement of dynamic and multifrequency atomic force microscopy (AFM)
necessitates leveraging the frequency response of cantilevers when it is in contact with the …

Direct detection of quasiparticle tunneling with a charge-sensitive superconducting sensor coupled to a waveguide

KR Amin, AM Eriksson, M Kervinen… - arXiv preprint arXiv …, 2024 - arxiv.org
Detecting quasiparticle tunneling events in superconducting circuits provides information
about the population and dynamics of non-equilibrium quasiparticles. Such events can be …

Local thermometry of NbSe flake with delta- noise measurements

MG Prokudina, AF Shevchun, ES Tikhonov - arXiv preprint arXiv …, 2024 - arxiv.org
We perform transport and noise measurements for device consisting of a thin NbSe $ _2 $
flake laid onto the predefined gold electrodes and covered with a thin hBN flake. In the shot …

Intrinsic Quasiparticle Lifetime in a Superconducting Aluminum

K Norowski, M Foltyn, A Savin, M Zgirski - arXiv preprint arXiv:2411.16614, 2024 - arxiv.org
We use time-resolved thermometry to monitor the decay of nonequilibrium quasiparticles in
superconducting Al in the temperature range from $0.3\, $ K to $1.2\, $ K. The quasiparticle …

Parametric amplification and conversion with superconducting nanowire resonators

M Khalifa - 2024 - open.library.ubc.ca
Superconducting circuits are used for processing quantum signals carried by microwave
photons. These circuits comprise two types of nonlinear resonant devices. First, strongly …