Adiabatic quantum-flux-parametron: A tutorial review

N Takeuchi, T Yamae, CL Ayala, H Suzuki… - IEICE Transactions …, 2022 - search.ieice.org
The adiabatic quantum-flux-parametron (AQFP) is an energy-efficient superconductor logic
element based on the quantum flux parametron. AQFP circuits can operate with energy …

Adiabatic quantum-flux-parametron cell library designed using a 10 kA cm− 2 niobium fabrication process

N Takeuchi, S Nagasawa, F China… - Superconductor …, 2017 - iopscience.iop.org
Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic
with zero static power consumption and very small switching energy. In this paper, we report …

An adiabatic superconductor 8-bit adder with 24kBT energy dissipation per junction

N Takeuchi, T Yamae, CL Ayala, H Suzuki… - Applied physics …, 2019 - pubs.aip.org
Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic
family. In this paper, we conducted the high-frequency operation and energy measurement …

Reversible fluxon logic: Topological particles allow ballistic gates along one-dimensional paths

W Wustmann, KD Osborn - Physical Review B, 2020 - APS
As we reach the end of Moore's law, digital logic uses irreversible logic gates whose energy
consumption has been scaled toward a lower limit. Reversible logic gates can provide a …

High-transition-temperature nanoscale superconducting quantum interference devices directly written with a focused helium ion beam

H Li, H Cai, EY Cho, SJ McCoy, YT Wang… - Applied Physics …, 2020 - pubs.aip.org
In this work, we present nanoscale superconducting quantum interference devices (SQUIDs)
with dimensions as small as 10 nm from the high-transition-temperature superconductor …

Design and implementation of a 16-word by 1-bit register file using adiabatic quantum flux parametron logic

N Tsuji, CL Ayala, N Takeuchi, T Ortlepp… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
We have been develo** extremely energy-efficient microprocessors using the adiabatic
quantum flux parametron (AQFP) logic. In this study, we designed and fabricated an AQFP …

Reversibility and energy dissipation in adiabatic superconductor logic

N Takeuchi, Y Yamanashi, N Yoshikawa - Scientific reports, 2017 - nature.com
Reversible computing is considered to be a key technology to achieve an extremely high
energy efficiency in future computers. In this study, we investigated the relationship between …

A reversible full adder using adiabatic superconductor logic

T Yamae, N Takeuchi… - … Science and Technology, 2019 - iopscience.iop.org
Reversible logic circuits can perform logic operations in a thermodynamically reversible
manner, or without energy dissipation. The reversible quantum-flux-parametron (RQFP) is a …

Systematic method to evaluate energy dissipation in adiabatic quantum-flux-parametron logic

T Yamae, N Takeuchi, N Yoshikawa - Journal of Applied Physics, 2019 - pubs.aip.org
Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic.
It operates with zero static power dissipation and very low dynamic power dissipation owing …

Measurement of low bit-error-rates of adiabatic quantum-flux-parametron logic using a superconductor voltage driver

N Takeuchi, H Suzuki, N Yoshikawa - Applied Physics Letters, 2017 - pubs.aip.org
Adiabatic quantum-flux-parametron (AQFP) is an energy-efficient superconductor logic. The
advantage of AQFP is that the switching energy can be reduced by lowering operation …