SuperNPU: An extremely fast neural processing unit using superconducting logic devices
Superconductor single-flux-quantum (SFQ) logic family has been recognized as a highly
promising solution for the post-Moore's era, thanks to its ultra-fast and low-power switching …
promising solution for the post-Moore's era, thanks to its ultra-fast and low-power switching …
Scalable flux controllers using adiabatic superconductor logic for quantum processors
Quantum processors have the potential to accelerate specific computing tasks but are
difficult to scale up due to engineering limitations, such as the number of available cables …
difficult to scale up due to engineering limitations, such as the number of available cables …
Energy efficient half-flux-quantum circuit aiming at milli-kelvin stage operation
Abstract Half-flux-quantum (HFQ) circuits are based on 0–π superconducting quantum
interference devices (SQUIDs) and is one of the energy-efficient superconductor digital …
interference devices (SQUIDs) and is one of the energy-efficient superconductor digital …
Superconducting circuits without inductors based on bistable Josephson junctions
Magnetic flux quantization in superconductors allows the implementation of fast and energy-
efficient digital superconducting circuits. However, information representation in magnetic …
efficient digital superconducting circuits. However, information representation in magnetic …
Design and fabrication of low-power single-flux-quantum circuits toward quantum bit control
M Tanaka, Y Kitagawa, T Satoh… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We report low-power single-flux-quantum (SFQ) circuits fabricated with a lowered critical
current density process and low-voltage design. We selected 250 A/cm to obtain 2–10 μA …
current density process and low-voltage design. We selected 250 A/cm to obtain 2–10 μA …
Planarized Process for Single-Flux-Quantum Circuits With Self-Shunted Nb/NbSi/Nb Josephson Junctions
D Olaya, M Castellanos-Beltran… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We describe our process for fabricating single-flux-quantum circuits for applications in
communications metrology, advanced computing, and quantum information. The process …
communications metrology, advanced computing, and quantum information. The process …
Phase logic based on π Josephson junctions
AA Maksimovskaya, VI Ruzhickiy, NV Klenov… - JETP Letters, 2022 - Springer
The transition to Josephson digital circuits with the representation of information in the form
of phase jumps of the superconducting order parameter on heterostructures promises a …
of phase jumps of the superconducting order parameter on heterostructures promises a …
XQsim: modeling cross-technology control processors for 10+ K qubit quantum computers
10+ K qubit quantum computer is essential to achieve a true sense of quantum supremacy.
With the recent effort towards the large-scale quantum computer, architects have revealed …
With the recent effort towards the large-scale quantum computer, architects have revealed …
50-GFLOPS floating-point adder and multiplier using gate-level-pipelined single-flux-quantum logic with frequency-increased clock distribution
I Nagaoka, R Kashima, M Tanaka… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
We demonstrate the functioning of a high-throughput, gate-level-pipelined floating-point
adder and multiplier over 50 GHz. The gate-level-pipelined floating-point adder and …
adder and multiplier over 50 GHz. The gate-level-pipelined floating-point adder and …
[PDF][PDF] 国际单位制变革与电磁测量发展互促共赢
李世松, 赵伟, 黄松岭, 白静芬 - 中国电机工程学报, 2021 - researchgate.net
从2019 年5 月20 日起, 新国际单位制(international system of units, SI) 在全世界正式启用.
在新的单位体系下, 7 个SI 基本单位首次实现了全部采用基于基本物理常数的定义 …
在新的单位体系下, 7 个SI 基本单位首次实现了全部采用基于基本物理常数的定义 …