[HTML][HTML] Spiking neuron circuits using superconducting quantum phase-slip junctions

R Cheng, US Goteti, MC Hamilton - Journal of Applied Physics, 2018 - pubs.aip.org
Superconducting circuits that operate by propagation of small voltage or current pulses,
corresponding to propagation of single flux or charge quantum, are naturally suited for …

Doubly nonlinear superconducting qubit

DT Le, A Grimsmo, C Müller, TM Stace - Physical Review A, 2019 - APS
We describe a superconducting circuit consisting of a Josephson junction in parallel with a
quantum phase slip wire, which implements a Hamiltonian that is periodic in both charge …

Superconducting neuromorphic computing using quantum phase-slip junctions

R Cheng, US Goteti… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Superconducting circuits based on quantum phase-slip junctions (QPSJs) can conduct
quantized charge pulses, which naturally resemble action potentials generated by biological …

High-speed and low-power superconducting neuromorphic circuits based on quantum phase-slip junctions

R Cheng, US Goteti… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The quantum phase-slip junctions (QPSJs) resulting from quantum fluctuation of
superconducting order parameter in 1-D superconducting nanowires are explained as exact …

Brain-inspired spiking neural network using superconducting devices

H Zhang, C Gang, C Xu, G Gong… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Based on recent research in artificial neural networks, researchers have focused on topics
from brain-like computing based on the Von Neumann architecture to brain-inspired …

Substrate mediated nitridation of niobium into superconducting Nb2N thin films for phase slip study

B Gajar, S Yadav, D Sawle, KK Maurya, A Gupta… - Scientific reports, 2019 - nature.com
Here we report a novel nitridation technique for transforming niobium into hexagonal Nb2N
which appears to be superconducting below 1K. The nitridation is achieved by high …

Evidence of the disorder-independent electron-phonon scattering time in thin NbN films

AI Lomakin, EM Baeva, AD Triznova, NA Titova… - Physical Review B, 2023 - APS
We report on experimental study of the effect of disorder on electronic parameters and
inelastic scattering mechanisms in ultrathin superconducting NbN films, which are …

Evolution of phase slips with wire width and observation of critical-voltage feature without high-impedance environment in NbN nanowires

X Wang, Z Xu, X Liu, F Xu, Y Liu, W Gao… - Superconductor …, 2024 - iopscience.iop.org
Quantum phase slip (QPS) is an important effect that occurs in one-dimensional (1D) or
quasi-1D superconducting (SC) materials. Due to the extremely high requirements on the …

Toward Learning in Neuromorphic Circuits Based on Quantum Phase Slip Junctions

R Cheng, US Goteti, H Walker, KM Krause… - Frontiers in …, 2021 - frontiersin.org
We explore the use of superconducting quantum phase slip junctions (QPSJs), an
electromagnetic dual to Josephson Junctions (JJs), in neuromorphic circuits. These small …

Investigation of the Pauli paramagnetic effect in systematically tuned NbN thin films

X Wang, L Wang, Y Liu, W Gao, Y Wu, Z Xu… - … and its Applications, 2023 - Elsevier
Superconductivity and the normal-state properties of NbN films can be tuned in a wide
range, supplying a suitable platform to investigate the systematical evolution of the …