Addressable superconductor integrated circuit memory from delay lines

J Volk, A Wynn, E Golden, T Sherwood… - Scientific Reports, 2023 - nature.com
Recent advances in logic schemes and fabrication processes have renewed interest in
using superconductor electronics for energy-efficient computing and quantum control …

High-quality planar high-Tc Josephson junctions

N Bergeal, X Grison, J Lesueur, G Faini, M Aprili… - Applied physics …, 2005 - pubs.aip.org
Reproducible high-T c Josephson junctions have been made in a rather simple two-step
process using ion irradiation. A microbridge (1 to 5 μ m wide) is firstly designed by ion …

Fabrication of a superconducting niobium nitride hot electron bolometer for single-photon counting

R Romestain, B Delaet, P Renaud-Goud… - New Journal of …, 2004 - iopscience.iop.org
Superconducting photodetectors offer an interesting alternative to traditional photon
counting systems such as photomultiplier tubes and avalanche photodiodes for applications …

NbN multilayer technology on R-plane sapphire

JC Villegirr, N Hadacek, S Monso… - IEEE transactions on …, 2001 - ieeexplore.ieee.org
A new NbN multilayer technology has been developed on 3 inch diameter R-plane sapphire
substrates, for combining on-chip fast RSFQ circuits with GHz bandwidth optical links, The …

Cryogenic electronics and quantum information processing

DS Holmes - 2021 IEEE International Roadmap for Devices …, 2021 - ieeexplore.ieee.org
The goal of this International Roadmap for Devices and Systems (IRDS) chapter is to survey,
catalog, and assess the status of technologies in the areas of cryogenic electronics and …

Laser nitriding of niobium for application to superconducting radio-frequency accelerator cavities

S Singaravelu, JM Klopf, G Krafft… - Journal of Vacuum …, 2011 - pubs.aip.org
Particle accelerators are a key tool for scientific research ranging from fundamental studies
of matter to analytical studies at light sources. Cost-for-performance is critical, both in terms …

9 K operation of RSFQ logic cells fabricated by NbN integrated circuit technology

H Terai, Z Wang - IEEE transactions on applied …, 2001 - ieeexplore.ieee.org
We report on the fabrication and the operation of all-NbN rapid single flux quantum (RSFQ)
circuits. The NbN integrated circuit consists of NbN/AlN/NbN tunnel junctions, Mo resistors …

Granularity-induced gapless superconductivity in NbN films: Evidence of thermal phase fluctuations

G Lamura, JC Villégier, A Gauzzi, J Le Cochec… - Physical Review B, 2002 - APS
Using a single-coil mutual inductance technique, we measure the low-temperature
dependence of the magnetic penetration depth in superconducting NbN films prepared with …

Study of NbN Josephson junctions with a tantalum nitride barrier tuned to the metal-insulator transition

R Setzu, E Baggetta, JC Villegier - Journal of Physics …, 2008 - iopscience.iop.org
We present recent results in developing SNS self-shunted NbN-Ta x N-NbN Josephson
junctions operating above 9 K; good control over the barrier resistivity allows us to fabricate …

Fabrication of NbTiN/Al–AlNX/NbTiN Josephson Junctions for Superconducting Circuits Operating Around 10 K

H Akaike, S Sakamoto, K Munemoto… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
We have fabricated NbTiN/Al-AlN X/NbTiN Josephson tunnel junctions on thermally
oxidized Si substrates for their applications to single-flux-quantum circuits operating around …