Welcome

The 18th Superconducting SFQ VLSI Workshop (SSV 2025) will be held on from October 29th to 30th, 2025. A part of the SSV 2025 will be jointly held with the 2nd International Workshop on Quantum, Cryogenic and Superconductive Computing (QUEST 2025). The conference venue is Yokohama City Port Opening Memorial Hall (Jack's Tower) and Yokohama National University, Yokohama, Japan.

News

• Program and Instruction for poster presentations updated. (October 16, 2025)
• Program updated. (October 14, 2025)
• The information updated and registration opened. (September 20, 2025)
• The SSV 2025 website opened. (June 5th, 2025)

Scope & Aims

The workshop aims at providing an opportunity to discuss key aspects of SFQ VLSI technologies. Latest results related to device fabrication, circuit design, function testing, and system integration will be exchanged.

Keynote & Invited Speakers

Distinguished researchers will be invited to SSV 2025.
(The list is in alphabetical order.)

• Hiroshi Fuketa (AIST, Japan)
• Kaveh Delfanazari (University of Glasgow, UK)
• Mark Bieler (Physikalisch-Technische Bundesanstalt, Germany)
• Richard Rouse (IMEC)
• Sam Benz (NIST, USA)
• Satoshi Kawakami (Kyusyu University, Japan)
• Shane Cybart (University of California, Riverside, USA)
• Scott Holmes (IEEE Counsil on Superconductivity, USA)

Call For Papers

Presentations

Contributed papers will be presented in either oral or poster sessions. All presentations must be in English.

Abstrat Submission

The author who is plan to submit a paper needs to register with the paper title by Monday, September 29th 5:00 p.m., 2025.

The authors are requested to submit the manuscripts for proceedings using the SSV 2025 Online Submission & Registration site. The deadline for the submission of camera-ready manuscripts is Monday, September 29th 5:00 p.m., 2025.

Please follow the instructions in the Proceeding page.

Registration

Those who will participate in the SSV workshop (including the SSV/QUEST joint session) need to register on-line in advance. The deadline for workshop on-line registration is Monday, September 29th 5:00 p.m., 2025.

Please follow the instructions in the Registration page.

Those who will participate fully in the QUEST need a separated registration. Please visit at https://www.quest2025.org/registration

Sponsors

This workshop is sponsored by the following organizations and national projects in Japan.

• JSPS KAKENHI Grant Number 24H00311, “Creation of Ultra-Low Power High-Density Adiabatic Quantum Flux Logic”
• JSPS KAKENHI Grant Number 25K01284, “Creation of a probabilistic computation circuit based on ultra-high-speed random number generation by superconductive circuits”
• JST ASPIRE Grant Number JPMJAP2411 “International Collaborative Research on Quantum-Classical Interface by Heterogeneous Integration”
• JST CREST Grant Number MJCR20C5, “Highly Energy-Efficient Processing by Controlling Flexibility of Information Carrier Utilizing Artificial Spins”
• JSPS KAKENHI Grant Number 23H05447, “Quantum Annealing to Solve Complex Optimization Problems Using Negative Inductance and Thermal Fluctuations”
• Institute of Advanced Sciences, Yokohama National University