Table of Contents

ED1-1-INV

Realization of an Error-Correcting Surface Code with Superconducting Qubits

9:45-10:15 Dec.3

Youwei Zhao^1,2,3, *Yangsen Ye^1,2,3, He-Liang Huang^1,2,3

Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China¹

Shanghai Branch, CAS Center for Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Shanghai 201315, China²

Shanghai Research Center for Quantum Sciences, Shanghai 201315, China³

ED1-2-INV

Hardware and software efforts for realizing practical quantum computing

10:15-10:45 Dec.3

*Shintaro Sato^1,2

Quantum Lab., Fujitsu Research, Fujitsu Limited, 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan¹

RIKEN RQC-Fujitsu Collaboration Center, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan²

ED1-3-INV

A two-qubit gate scheme robust to frequency collisions using fixed-frequency transmon qubits

10:45-11:15 Dec.3

*Shotaro Shirai^1,2, Yuta Okubo², Shinichi Inoue³, Rui Li¹, Shuhei Tamate¹, Kohei Matsuura³, Alto Osada^2,4, Yasunobu Nakamura^1,3 and Atsushi Noguchi^1,2,5

RIKEN Center for Quantum Computing (RQC), Wako, Saitama 351-0198, Japan¹

Komaba Institute for Science (KIS), The University of Tokyo, Meguro-ku, Tokyo, 153-8902, Japan²

Department of Applied Physics, Graduate School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan³

PRESTO, Japan Science and Technology Agency, Kawaguchi-shi, Saitama⁴

Inamori Research Institute for Science (InaRIS), Kyoto-shi, Kyoto 600-8411, Japan⁵

ED6-2-INV

Ultra-broadband near-field Josephson microwave microscopy and its applications on microwave integrated circuits

11:15-10:45 Dec.3

Ping Zhang¹, Yang-Yang Lyu¹, Jingjing Lv¹, Shoucheng Hou¹, Tao Liu¹, Ziyue Wu¹, Zihan Wei^1,2, Runfeng Su¹, Hancong Sun², Yuan Du¹, Li Du¹, Liming Gao³,Yong-Lei Wang^1,2, *Huabing Wang^1,2, Peiheng Wu^1,2

School of Electronic Science and Engineering, Nanjing University, Nanjing 210023, China¹

Purple Mountain Laboratories, Nanjing 211111, China²

Institute of Electronic Materials and Technology, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China³

ED2-1-INV

Superconducting nanowire single-photon detectors and imagers

15:15-15:45 Dec.3

*Qingyuan Zhao

Nanjing University

ED2-2-INV

Development of Optical Transition-Edge Sensors

15:45-16:15 Dec.3

*Kaori Hattori^1,2,3, Daiji Fukuda^1,3, Ryota Hayakawa², Fuminori Hirayama¹, Akihiro Kato^1,4, Takahiro Kikuchi¹, Satoshi Kohjiro¹, Akira Sato¹, Sachiko Takasu¹, Hirotake Yamamori¹

National Institute of Advanced Industrial Science and Technology, Umezono 1-1-1, Tsukuba, Ibaraki 305-8563, Japan¹

QUP KEK, Oho 1-1, Tsukuba, Ibaraki 305-0801, Japan²

AIST-UTokyo Advanced Operando-Measurement Technology Open Innovation Laboratory, Umezono 1-1-1, Tsukuba, Ibaraki 305-8563, Japan³

School of High Energy Accelerator Science, The Graduate University for Advanced Studies, Shonan Village, Hayama, 240–0193, Kanagawa, Japan⁴

ED2-3-INV

Magnetic Microcalorimeters: Principles and Applications

16:15-16:45 Dec.3

*Yong-Hamb Kim^1,2

Center for Underground Physics, Institute for Basic Science (IBS), Daejeon, South Korea¹

IBS School, University of Science Technology, Daejeon, South Korea²

ED2-4

Single-photon imaging by using superconducting nanowires

16:45-17:00 Dec.3

*Lingdong Kong¹, Lixing You¹

Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai, 200050 & China¹

ED2-5

The fabrication of superconducting devices based on nano laser direct writing

17:00-17:15 Dec.3

*Jianxin Lin^1,2, Wenqian Liu¹, Wenzhi Zhang¹, Shanqing Li¹, Enhua Chen¹ and Yicong Huang²

Qingdao Innovation and Development Center of Harbin Engineering University, Qingdao, 266000, China¹

Harbin Engineering University, College of Intelligent systems and Engineering, Harbin,150000, China²

ED3-1-INV

Recent research on reversible circuits using adiabatic quantum-flux-parametron logic

17:45-18:15 Dec.3

*Taiki Yamae¹, Naoki Takeuchi¹, Nobuyuki Yoshikawa²

Global Research and Development Center for Business by Quantum-AI Technology, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, 305-8568, Japan¹

Institute of Advanced Sciences, Yokohama National University, Yokohama, Kanagawa, 240-8501, Japan²

ED3-2

Design of a microwave generator as an application of an SFQ pulse-frequency modulation digital-to-analog converter

18:15-18:30 Dec.3

*Yoshinao Mizugaki¹, Seiya Hayashi¹, Hiroshi Shimada¹

Department of Engineering Science, The University of Electro-Communications, Chofugaoka, Chofu, Tokyo, 182-8585 Japan¹

ED3-3

Demonstration of a shunt free Josephson memory

18:30-18:45 Dec.3

*Avradeep Pal

Indian Institute of Technology Bombay

ED3-4

Bit Error Rate Constrained Timing Characterization of Adiabatic Quantum-Flux-Parametron Logic Gates

18:45-19:00 Dec.3

*Yu Hoshika¹, Christopher L. Ayala¹, Nobuyuki Yoshikawa²

Department of Electrical and Computer Engineering, Yokohama National University, Japan¹

Institute of Advanced Sciences, Yokohama National University, Japan²

ED4-1-INV

Quantum sensing with superconducting flux qubits

9:30-10:00 Dec.4

*Hiraku Toida

NTT Basic Research Laboratories, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa, 243-0198 Japan

ED4-2-INV

Proof-of-concept experiment on superconducting non-reciprocal device based on up and down converters

10:00-10:30 Dec.4

*Sho Masui¹, Takafumi Kojima^1,2, and Yoshinori Uzawa^1,2

Advanced Technology Center, National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo, 181-8588 Japan¹

Department of Astronomical Science, the Graduate University for Advanced Studies (SOKENDAI), Mitaka, Tokyo 181-8588 Japan²

ED4-3

Design of Traveling-wave parametric amplifier with consideration of manufacturing yield improvement

10:30-10:45 Dec.4

*Daisuke Saida¹, Shoichi Suda¹, Kenjiro Hayashi¹, Yoshiyasu Doi¹ and Shintaro Sato¹, Kazumasa Makise², Hongxiang Shen³ and Yuki Yamanashi³, Masamitsu Tanaka⁴

Fujitsu Limited.¹

National Astronomical Observatory of Japan²

Yokohama National University³

Nagoya University⁴

ED4-4

Evaluation of cascade connection of flux transfer circuits using a π-junction toward quantum annealer application

10:45-11:00 Dec.4

*Kai Nishizaki¹, Hiroki Hori¹, Feng Li¹, Masamitsu Tanaka¹, AKIRA FUJIMAKI²

Nagoya University¹

Tokai National Higher Education and Research System²

ED5-1-INV

Niobium-based dc SQUID current sensors with sub-micrometer circuit elements for precision measurements in scientific and metrological applications

15:00-15:30 Dec.4

*Joern Beyer, Mauro Esattore, Michael Paulsen, Oliver Kieler, Patryk Krzysteczko, Rainer Körber, Mark Bieler

Physikalisch-Technische Bundesanstalt (PTB)

ED5-2-INV

Overview of hybrid SQUID developments in France and Turkey

15:30-16:00 Dec.4

*Pascal FEBVRE¹, Ugur YILMAZ^1,3, Sasan RAZMKHAH^2,4, Ali BOZBEY²

CROMA, University Savoie Mont Blanc, Campus scientifique, 73376 Le Bourget du Lac, France¹

Department of Electrical and Electronics Engineering, TOBB University of Economics and Technology, Ankara 06560, Turkey²

Now at IQM, Miunich, Germany³

Now at USC, Los Angeles, USA⁴

ED5-3-INV

Fluxon counters and magnon generators upon nanoengineered superconductors

16:00-16:30 Dec.4

*Oleksandr Dobrovolskiy

Technische Universitat Braunschweig

ED5-4

Design of an Initialization Circuit for 2π-Vortex in a Topological Junction Array

16:30-16:45 Dec.4

*Yuki Shimizu¹, Masato Naruse¹ and Hiroaki Myoren¹

Graduate Program in Electrical, Electronic, and Physical Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama City, Saitama 338-8570, Japan¹

ED5-5

Simulation study of pulse-current operations of a superconducting nanowire cryotron

16:45-17:00 Dec.4

*Naoki Yasukawa^1,5, Yuki Yamanashi^2,3,4, Nobuyuki Yoshikawa^2,3,4, Taichiro Nishio¹, and Yasunori Mawatari⁵

Department of Physics, Tokyo University of Science, Tokyo, 162-8601 & Japan¹

Department of Electrical and Computer Engineering, Yokohama National University, Yokohama, 240-8501 & Japan²

Institute of Advanced Sciences, Yokohama National University, Yokohama, 240-8501 & Japan³

Institute for Multidisciplinary Science, Yokohama National University, Yokohama, 240-8501 & Japan⁴

National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, 305-8568 & Japan⁵

ED6-1-INV

Preparation and properties of TFA-MOD derived REBa2Cu3Oy films for microwave devices

9:45-10:15 Dec.5

*Keita Sakuma, Rion Yamashita, Kotaro Takeda, Naoto Sekiya

University of Yamanashi

ED6-2-INV

Moved to 3 December

ED6-3-INV

Numerical Study of AC Transport Current Loss Characteristics of REBCO tapes under High Frequency Conditions

10:15-10:45 Dec.5

*Jun Ogawa¹, Satoshi Fukui¹, Atsuya Yamaguchi¹, Kazuto Sugitsuma¹, Naoto Sekiya

Niigata University¹

University of Yamanashi²

ED6-4

Assessing the effectiveness of superconducting magnetic shielding structures for the Josephson voltmeter

10:45-11:00 Dec.5

*Daiki Matsumaru, Takehiko Oe, Shuji Nakamura, Hirotake Yamamori, Michitaka Maruyama and Nobu-Hisa Kaneko

National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, Umezono, Tsukuba, Ibaraki, 305-8563 Japan

ED6-5

Fully Three-Dimensional Proximity Effect Modeling

11:00-11:15 Dec.5

*Joshua Shipman¹, Joshua Schneider², Christian Thorpe², Lawrence Friedman^2, Mark Covington², Lewis Graninger², Robert Young², John Przybysz², Alexander Marakov²

Northrop Grumman Corp¹

Northrop Grumman Mission Systems²

ED7-1-INV

Development of SFQ Circuits on Different Fabrication Processes with Improved Cell Library and EDA Tools

13:15-13:45 Dec.5

*Jie Ren¹, Liliang Ying², Xiaoping Gao², Shucheng Yang², Minghui Niu², Zhen Wang²

Central People's Government of the People's Republic of China¹

SIMIT-CAS²

ED7-2-INV

Logical Aspects of SFQ Circuit Design

13:45-14:15 Dec.5

*Kazuyoshi Takagi

Mie University

ED7-3

Design and Demonstration of Single Flux Quantum Stochastic Matrix Multiplier

14:15-14:30 Dec.5

*Yuki Yamanashi^1,2,3, Hijiri Okumura⁴, Nobuyuki Yoshikawa^1,2,3

Department of Electrical and Computer Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, Kanagawa, 240-8501 & Japan¹

Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, Kanagawa, 240-8501 & Japan²

Institute for Multidisciplinary Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, Kanagawa, 240-8501 & Japan³

Graduate School of Environment and Information Sciences, Yokohama National University, 79-7 Tokiwadai, Hodogaya, Yokohama, Kanagawa, 240-8501 & Japan⁴

ED7-4

Design of an RSFQ All-Digital Phase Locked Loop with a Time-to-Digital Converter

14:30-14:45 Dec.5

*Daiki Fukuyo¹, Hiroshi Shimada¹, Yoshinao Mizugaki¹

Department of Engineering Science, The University of Electro-Communications, Chofugaoka, Chofu, Tokyo, 182-8585 Japan¹

ED8-1-INV

Application of Transition Edge Sensors (TES) in particle physics and astrophysics -present and future-

15:15-15:45 Dec.5

*Noriko Yamazaki

Institute of Space and Astronautical Sciemce, JAXA

ED8-2-INV

Superconducting detectors, the universe, and elementary particles

15:45-16:15 Dec.5

*Hirokazu Ishino¹

Department of Physics, Okayama University, 3-1-1 Tsushimanaka, kita-ku, Okayama, 700-8530 & Japan¹

ED8-3

X-ray spectrometer using 200-pixel superconducting tunnel junction array for X-ray absorption spectroscopy in synchrotron source

16:15-16:30 Dec.5

*Shigetomo Shiki¹, and Go Fujii²

Sensing System Research Center, National Institute of of Advanced Industrial Science and Technology, 807-1 Shuku-machi, Tosu, Saga, 841-0052, Japan¹

Global Research and Development Center for Business by Quantum-AI technology, National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan²

ED8-4

High-resolution imaging by superconducting delay-line detector using 30ps operating readout circuit

16:30-16:45 Dec.5

*Takekazu Ishida¹, The Dang Vu^1,2 Hiroaki Shishido³, Kenji M. Kojima^1,4, Kazuya Aizawa², Takayuki Oku², Kenichi Oikawa², Masahide Harada², Kazuhiko Soyama², Shigeyuki Miyajima^1,5, Mutsuo Hidaka⁶, Soh Y. Suzuki⁷, Manobu M. Tanaka⁸, Tomio Koyama¹, Masahiko Machida^1,9, and Shuichi Kawamata¹

Division of Quantum and Radiation Engineering, Osaka Metropolitan University, Sakai, Osaka 599- 8570, Japan¹

Materials and Life Science Division, J-PARC Center, JAEA, Tokai, Ibaraki 319-1195, Japan²

Equipment Sharing Center for Advanced Research and Innovation, Osaka Metropolitan University, Sakai, Osaka 599-8531, Japan³

Centre for Molecular and Materials Science, TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada⁴

Advanced ICT Research Institute, National Institute of Information and Communications Technology, 588-2 Iwaoka, Nishi-ku, Kobe, Hyogo 651-2492, Japan⁵

Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan⁶

Computing Research Center, Applied Research Laboratory, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan.⁷

Institute of Particle and Nuclear Studies, High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki 305-0801, Japan.⁸

Center for Computational Science & e-Systems, JAEA, Kashiwa, Chiba 277-0871, Japan⁹

ED8-5

Study on Microwave Kinetic Inductance Detector with Lithium Niobate Substrate

16:45-17:00 Dec.5

*Ryota Ito^1,2, Tohru Taino³, Satoru Mima⁴, Yuto Kamei², Chiko Otani^1,2

Graduate School of Science, Tohoku University, 6-3 Aramaki-Aoba, Aoba-ku, Sendai, Miyagi 980-8578, Japan¹

Center for Advanced Photonics, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan²

Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama, Saitama 338-8570, Japan³

Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), 588-2 Iwaoka, Nishi-ku, Kobe, Hyogo 651-2492, Japan⁴