Energy-efficient single flux quantum technology

OA Mukhanov - IEEE Transactions on Applied …, 2011 - ieeexplore.ieee.org
Figures of merit connecting processing capabilities with power dissipated (OpS/Watt,
Joule/bit, etc.) are becoming dominant factors in choosing technologies for implementing the …

QECOOL: On-line quantum error correction with a superconducting decoder for surface code

Y Ueno, M Kondo, M Tanaka, Y Suzuki… - 2021 58th ACM/IEEE …, 2021 - ieeexplore.ieee.org
Due to the low error tolerance of a qubit, detecting and correcting errors on it is essential for
fault-tolerant quantum computing. Surface code (SC) associated with its decoding algorithm …

Nb 9-layer fabrication process for superconducting large-scale SFQ circuits and its process evaluation

S Nagasawa, K Hinode, T Satoh, M Hidaka… - IEICE Transactions …, 2014 - search.ieice.org
We describe the recent progress on a Nb nine-layer fabrication process for large-scale
single flux quantum (SFQ) circuits. A device fabricated in this process is composed of an …

SuperNPU: An extremely fast neural processing unit using superconducting logic devices

K Ishida, I Byun, I Nagaoka, K Fukumitsu… - 2020 53rd Annual …, 2020 - ieeexplore.ieee.org
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 …

Qulatis: A quantum error correction methodology toward lattice surgery

Y Ueno, M Kondo, M Tanaka, Y Suzuki… - … Symposium on High …, 2022 - ieeexplore.ieee.org
Due to the high error rate of a qubit, detecting and correcting errors on it is essential for fault-
tolerant quantum computing (FTQC). Surface code (SC) associated with its decoding …

Towards ultra-high-speed cryogenic single-flux-quantum computing

K Ishida, M Tanaka, T Ono, K Inoue - IEICE Transactions on …, 2018 - search.ieice.org
CMOS microprocessors are limited in their capacity for clock speed improvement because of
increasing computing power, ie, they face a power-wall problem. Single-flux-quantum (SFQ) …

Design and verification of SFQ cell library for superconducting LSI digital circuits

X Gao, Q Qiao, M Wang, M Niu, H Liu… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
We have developed a cell library for superconducting large scale integrated (LSI) digital
circuits based on Single Flux Quantum (SFQ) devices. The circuits were designed for a 6 …

Superconducting single flux quantum (SFQ) technology for power-efficiency computing

J Ren, G Tang, F Wang, S Li, P Qu, X Gao… - CCF Transactions on …, 2022 - Springer
Superconducting integrated circuits (ICs) based on Josephson junctions (JJs) and
superconducting materials subvert semiconductor ICs at the device level. For over 50 years …

Superconductor computing for neural networks

K Ishida, I Byun, I Nagaoka, K Fukumitsu… - Ieee …, 2021 - ieeexplore.ieee.org
The superconductor single-flux-quantum (SFQ) logic family has been recognized as a
promising solution for the post-Moore era, thanks to the ultrafast and low-power switching …

Digital superconducting electronics design tools—Status and roadmap

CJ Fourie - IEEE Transactions on Applied Superconductivity, 2018 - ieeexplore.ieee.org
At the start of the most ambitious development program for superconducting electronics
circuit design tools to date-the IARPA SuperTools Program-we compile a comprehensive …