Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
SCE |
2022-08-09 10:25 |
Kanagawa |
Online (Primary: On-site, Secondary: Online) |
A majority gate with a high driving ability for adiabatic quantum-flux-parametron circuits Wataru Komiya, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2022-3 |
[more] |
SCE2022-3 pp.12-17 |
SCE |
2022-08-09 13:25 |
Kanagawa |
Online (Primary: On-site, Secondary: Online) |
Pulse-density-modulated microwave generator using single-flux-quantum circuits for controlling qubits Akira Kunihiro, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2022-7 |
Generally, superconducting qubits are controlled by an irradiation of a microwave pulse. We proposed a microwave pulse g... [more] |
SCE2022-7 pp.34-38 |
SCE |
2022-01-21 14:00 |
Online |
Online |
Study of Reflection Effects and Stabilization of High-Speed Operation for Long Interconnection of Adiabatic Quantum-Flux-Parametron Logic Circuits Naoya Mizushima, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama National Univ.) SCE2021-13 |
The adiabatic quantum-flux-parametron (AQFP) circuit is a superconducting logic circuit with extremely low power consump... [more] |
SCE2021-13 pp.6-11 |
SCE |
2020-09-02 13:35 |
Online |
Online |
Experimental Evaluation of Relationship between Gate-to-Gate Interconnection and Bit Error Rate of Adiabatic Quantum Flux Parametron Circuits Daiki Ito (Yokohama Natl. Univ.), Naoki Takeuchi (IAS), Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2020-2 |
Superconducting circuits are expected to significantly reduce the power consumption when applied to the next-generation ... [more] |
SCE2020-2 pp.5-10 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design of SFQ convolutional computation processor for convolutional neural network Fei Ke (Yokohama Natl. Univ.), Ao Ren, Yanzhi Wang (Northeastern Univ.), Olivia Chen, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-32 |
[more] |
SCE2019-32 pp.11-13 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design and Simulation of Single-Flux-Quantum Multiply-Accumulator Zongyuan Li, Yuki Yamanashi, Nobuyuki Yoshikawa (YNU) SCE2019-33 |
Multiply accumulate is a special operation in digital signal processor or some microprocessors. The hardware circuit uni... [more] |
SCE2019-33 pp.15-18 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design and Evaluation of Superconducting 2-bit Autocorrelator System for Astronomical Data Analysis Lisa Shirakawa, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-34 |
We designed and evaluated the performances of an single-flux-quantum (SFQ) autocorrelator that supports 2-bit signal inp... [more] |
SCE2019-34 pp.19-21 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Demonstration of an SFQ 8-symbol complex event detector corresponding to regular expressions Kazuma Akizuki, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl Univ.) SCE2019-37 |
[more] |
SCE2019-37 pp.33-35 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Investigation of Dual-Rail Single-Flux-Quantum Circuit Using π Josephson Junction Yusuke Kobara, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Nati. Univ.) SCE2019-41 |
[more] |
SCE2019-41 pp.49-51 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design and evaluation of single flux quantum circuits by using local magnetic flux bias technique Shunta Asada, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-42 |
We developed a local magnetic flux bias (LFB) technique to introduce a phase shift in the superconducting circuit. The L... [more] |
SCE2019-42 pp.53-56 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design of single flux quantum highly-integrated memory cell and its application to lookup table Takuya Hosoya, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-43 |
This study focuses on a look-up table (LUT) based on a single flux quantum (SFQ) logic circuit. To realize highly-integr... [more] |
SCE2019-43 pp.57-60 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Energy Efficient Microwave Switch Using Single-Flux-Quantum Circuits with Controllable Microwave Power Shiori Michibayashi, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-46 |
[more] |
SCE2019-46 pp.69-71 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Optimization of a Josephson latching driver using 10-kA/cm2 Nb process for a Josephson-CMOS hybrid memory Yuki Hironaka, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-47 |
Josephson digital circuits such as single flux quantum circuits have a great potential for future high-end computing sys... [more] |
SCE2019-47 pp.73-74 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Design and Evaluation of a 32-word by 8-bit Register File Using Adiabatic Quantum Flux Parametron Logic Tomohiro Tamura, Naoki Takeuchi, Christopher Ayala, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-50 |
Extremely energy-efficient logic devices are required for future energy-efficient highperformance computing systems. Sup... [more] |
SCE2019-50 pp.83-86 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Analysis of the influence of 1/f noise on the operational stability of quantum flux parametron circuit Yusuke Tsuna, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-56 |
We analyzed influences of the 1/f noise in the superconducting circuit on the operation. We devised a circuit simulation... [more] |
SCE2019-56 pp.107-109 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Simulation and Experimental Evaluation of Bit Error Rates of Adiabatic Quantum Flux Parametron Circuits Including Thermal Noises Daiki Ito (YNU), Naoki Takeuchi (IAS), Yuki Yamanashi, Nobuyuki Yoshikawa (YNU) SCE2019-57 |
[more] |
SCE2019-57 pp.111-115 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Investigation of logic gate using bi-directionally-coupled quantum flux parametron array Kohei Miyake, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-59 |
We study a bi-directionally-coupled quantum-flux-parametron (QFP) array as a new configuration method of a superconducti... [more] |
SCE2019-59 pp.121-124 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Investigation of neuron with sigmoid activation function for quantum-flux-parametron-based neural network Daiki Yamaguchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2019-60 |
An ANN is a circuit that imitates the brain of a human, which is effective for pattern recognition and filtering, and so ... [more] |
SCE2019-60 pp.125-127 |
SCE |
2020-01-17 13:15 |
Kanagawa |
|
[Poster Presentation]
Investigation of variable coupler of quantum annealing machine coupler by using dc-SQUID Houwen He, Yuki Yamanashi, Nobuyuki Yoshikawa (YNU) SCE2019-61 |
[more] |
SCE2019-61 pp.129-131 |
SCE |
2019-08-09 15:25 |
Ibaraki |
National Institute of Advanced Industrial Science and Technology |
Demonstration of an 8-point 7-bit SFQ-based FFT processor Fei Ke, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama National Univ.) SCE2019-18 |
[more] |
SCE2019-18 pp.55-60 |