Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT (2nd) |
2024-05-28 14:40 |
Ibaraki |
AIST Tsukuba |
[Invited Talk]
Superconducting Digital Circuits: Toward Applications in Quantum Computing Naoki Takeuchi (AIST) |
[more] |
|
SCE |
2024-01-23 15:00 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. (Primary: On-site, Secondary: Online) |
Microwave generator based on a single-flux-quantum pulse-frequency modulation D/A converter Seiya Hayashi, Hiroshi Shimada, Yoshinao Mizugaki (UEC Tokyo) SCE2023-26 |
Pulse Frequency Modulation-D/A Converters (PFM-DACs) based on Single Flux Quantum (SFQ) circuits have been developed for... [more] |
SCE2023-26 pp.19-24 |
SCE |
2022-11-04 14:45 |
Miyagi |
RIEC, Tohoku Univ. (Primary: On-site, Secondary: Online) |
True Random Number Sequences Generated by Utilizing Timing Jitters in Superconducting Integrated Circuits Kenta Sato (UEC), Naonori Sega, Hiroshi Shimada, Mizugaki Yoshinao (UEC) SCE2022-10 |
A Hardware Random Number Generator (HRNG), which generates true random number sequences, is studied. In superconducting ... [more] |
SCE2022-10 pp.6-10 |
SCE |
2022-08-09 11:00 |
Online |
Online |
Recursive Cell Placement Method for High-Throughput Single Flux Quantum Logic Circuits Kento Kitamura, Takahiro Kawaguchi, Naofumi Takagi (Kyoto Univ.) SCE2022-4 |
(To be available after the conference date) [more] |
SCE2022-4 pp.18-23 |
SCE |
2022-08-09 13:25 |
Online |
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 |
2021-11-15 14:45 |
Online |
Online |
Brading Operations of Topological Quantum Bit using SFQ Current Pulses Takuro Funazawa, Masato Naruse, Hiroaki Myoren (Saitama Univ.) SCE2021-8 |
Quantum computing is said to be next generation computer. We focused on Topological Quantum Computation (TQC) among vari... [more] |
SCE2021-8 pp.6-9 |
SCE |
2021-01-19 13:05 |
Online |
Online |
[Invited Talk]
Design of serializer/deserializer circuits for adiabatic quantum-flux-parametron circuits using delay-line clocking Yuki Hironaka, Taiki Yamae, Naoki Takeuchi, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2020-17 |
An adiabatic quantum-flux-parametron (AQFP) circuit is an extremely low-power Josephson logic family. A novel clocking s... [more] |
SCE2020-17 pp.1-6 |
SCE |
2020-11-25 14:20 |
Online |
Online |
Design and bit-error-late evaluation of a Josephson latching driver using 10-kA/cm2 Nb process Yuki Hironaka, Nobuyuki Yoshikawa (Yokohama Natl. Univ.) SCE2020-8 |
We have been developing Josephson-CMOS hybrid memory, which is a combination of CMOS memory and Josephson logic circuits... [more] |
SCE2020-8 pp.1-6 |
SCE |
2020-11-25 14:45 |
Online |
Online |
Enhanced Operation Frequencies of Bipolar Double-Flux-Quantum Amplifiers Fabricated Using a Nb 10-kA/cm2 Integration Process Yuta Somei, Hiroshi Shimada, Yoshinao Mizugaki (UEC) SCE2020-9 |
A Double-Flux-Quantum Amplifier (DFQA) is a superconducting voltage multiplier that can generate a high-precision voltag... [more] |
SCE2020-9 pp.7-11 |
SCE |
2020-09-02 15:05 |
Online |
Online |
Design and Evaluation of Compact Interfaces between Adiabatic Quantum-Flux-Parametron Logic and Rapid Single-Flux-Quantum Logic Yuichi Yamazaki, Naoki Takeuchi, Nobuyuki Yoshikawa (Yokohama Natl., Univ.) SCE2020-5 |
In superconducting circuits, adiabatic quantum flux parametron (AQFP) circuits with high energy efficiency and fast sing... [more] |
SCE2020-5 pp.21-26 |
SCE |
2020-09-02 15:30 |
Online |
Online |
Performance of Digital SQUID magnetometer using Multi-Flux Quantum Feedback Itta Oshima, Sohei Uchida, Masato Naruse, Tohru Taino, Hiroaki Myoren (Saitama Univ.) SCE2020-6 |
We designed a digital SQUID with sub-Φ0feedback with the multi-flux generators (MFGs) for SFQ feedback operation. We suc... [more] |
SCE2020-6 pp.27-30 |
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]
A Routing Method with Wire Length Matching for RSFQ Logic Circuits Using Thin PTLs Kei Kitamura (Kyoto Univ), Kazuyoshi Takagi (Mie Univ), Naofumi Takagi (Kyoto Univ) SCE2019-35 |
A routing method with wire length matching using thin PTLs for RSFQ circuits is proposed. For AIST-ADP2 fabrication tech... [more] |
SCE2019-35 pp.23-25 |
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 |
2019-08-09 14:45 |
Ibaraki |
National Institute of Advanced Industrial Science and Technology |
Performance of Digital SQUID with Sub-Flux Quantum Feedback Resolution fabricated using 10 kA/cm2 Nb process Kouki Itagaki, Ryo Matsunawa, Itta Oshima, Yuichi Hasegawa, Masato Naruse, Tohru Taino, Hiroaki Myoren (Saitama Univ.) SCE2019-17 |
The digital SQUID with Single Flux Quantum (SFQ) logic operates as a Δ type oversampling A / D converter. Magnetic flux ... [more] |
SCE2019-17 pp.49-53 |
SCE |
2019-08-09 15:50 |
Ibaraki |
National Institute of Advanced Industrial Science and Technology |
Study of SFQ microwave switch with controllable amplitude for quantum bits Shiori Michibayashi, Naoki Takeuchi, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama Nat. Univ.) SCE2019-19 |
Qubits with Josephson Junctions are controlled by microwave pulses of suitable duration time and amplitude. Control of e... [more] |
SCE2019-19 pp.61-65 |
SCE |
2019-04-19 09:55 |
Tokyo |
|
Demonstration of an SFQ/CMOS hybrid memory system using a one-instruction-set SFQ microprocessor Yuki Hironaka, Yuki Yamanashi, Nobuyuki Yoshikawa (Yokohama National Univ.) SCE2019-2 |
SFQ/CMOS hybrid system, which is a hybridized system of SFQ circuits and CMOS memories, has been proposed as a large-sca... [more] |
SCE2019-2 pp.7-11 |
SCE |
2019-04-19 13:25 |
Tokyo |
|
Implementation of Digital Filter for Digital SQUID with sub-Flux Quantum Feedback Resolution Hiroaki Myoren, Ryo Matsunawa, Koki Itagaki, Itta Oshima, Yuichi Hasegawa, Masato Narue, Tohru Taino (Saitama Univ.) SCE2019-7 |
Digital SQUIDs with the single flux quantum (SFQ) feedback have attracted much attention because of the feasibility of r... [more] |
SCE2019-7 pp.33-38 |