39 citations · 65 across the 4 of their papers we have counts for
7 papers
Adiabatic quantum-flux-parametron with delay-line clocking: logic gate demonstration and phase skipping operation
Taiki Yamae, Naoki Takeuchi, Nobuyuki Yoshikawa
Adiabatic quantum-flux-parametron (AQFP) logic is an energy-efficient superconductor logic family. The latency of AQFP circuits is relatively long compared to that of other superco…
Stability-Certified Reinforcement Learning via Spectral Normalization
Ryoichi Takase, Nobuyuki Yoshikawa, Toshisada Mariyama +1
In this article, two types of methods from different perspectives based on spectral normalization are described for ensuring the stability of the system controlled by a neural netw…
An adiabatic superconductor comparator with 46 nA sensitivity
Naoki Takeuchi, Taiki Yamae, Hideo Suzuki +1
Adiabatic quantum-flux-parametron (AQFP) circuits can operate with extremely small energy dissipation (~1 zJ per junction at 5 GHz) and high sensitivity (~1 μA) owing to adiabatic…
Impedance Design of Excitation Lines in Adiabatic Quantum-Flux-Parametron Logic Using InductEx
Naoki Takeuchi, Hideo Suzuki, Coenrad J. Fourie +1
The adiabatic quantum-flux-parametron (AQFP) is an energy-efficient superconductor logic family that utilizes adiabatic switching. AQFP gates are powered and clocked by ac excitati…
Scalable readout interface for superconducting nanowire single-photon detectors using AQFP and RSFQ logic families
Naoki Takeuchi, Fumihiro China, Shigehito Miki +4
We propose a scalable readout interface for superconducting nanowire single-photon detector (SSPD) arrays, which we call the AQFP/RSFQ interface. This interface is composed of adia…
A Stochastic-Computing based Deep Learning Framework using Adiabatic Quantum-Flux-Parametron SuperconductingTechnology
Ruizhe Cai, Ao Ren, Olivia Chen +7
The Adiabatic Quantum-Flux-Parametron (AQFP) superconducting technology has been recently developed, which achieves the highest energy efficiency among superconducting logic famili…