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Quantum Hardware System Research Team

Establishment of the development scheme of components/materials for quantum computers utilizing the G-QuAT testbed platform

Evaluation of high-frequency components and non-magnetic components, and their standardization

Team Research Theme

Development and Dissemination of a Supplier Support Framework for Next-Generation Quantum Computers

We aim to build a supply chain and market for components of next-generation quantum computer and accelerate value creation through service development utilizing the quantum computer. By utilizing the design & evaluation platform that developed and operated at G-QuAT, we commit to the development and dissemination of this supplier support framework, which supports seamless processes from system-level design and prototyping to performance assurance and evaluation in real operating environments.

Figure 1: Overview of the Supplier Support Framework

Staff Members

position & name	field of expertise	responsibilities
Team Leader, Makoto MINOHARA	Thin film growth (strongly correlated systems, oxide semiconductors, Dirac electron systems, lone pair electron systems, two-dimensional electron systems), quantum beam measurement (synchrotron radiation), low temperature property evaluationm	General Oversight
Senior Researcher, Nao TAKESHITA	Measurement of physical properties(transport property, magnetization and dielectric constant) and development of measurement techniques under ultra-high pressure	Refrigeration System Development and Testing
Senior Expert, Akira SATO	Physical property measurement at low Temperature	Refrigeration System Development and Testing
Researcher, Maria FUWA	Research on hybrid quantum systems that combine different physical platforms, leveraging experience in optical quantum information processing, optomechanics, and magnonics. In particular, development of quantum measurement techniques using magnetic levitation. Responsible for the development of high-frequency components in the G-QuAT.	High-Frequency Component Material Development and Evaluation
Researcher, Shuichiro FUCHINO	Cryogenic cooling systems for superconducting devices	Refrigeration System Development and Testing
Concurrent post, Hiroyuki KAYANO		Lead Coordinator (for High-Frequency Systems) Principal Role: Principal Research Manager
Concurrent post, Tomonori ARAKAWA	Condensed matter physics and its applications based on the development of original measurement techniques. He is particularly specialized in low-temperature and high-frequency technologies, and conducts research on two-dimensional electronic, magnetic, and dielectric materials. At G-QuAT, he has been working on the evaluation of high-frequency components and materials.	High-Frequency Component Material Development and Evaluation Principal Role: Senior Researcher (Quantum Hardware Components R&D Team)
Concurrent post, Shota NORIMOTO	Single-electron operation using semiconductor device and application. Shota, especially, worked on development of current standard derived from elementary charge e and frequency f. He is assigned to electrical and thermal transport	High-Frequency Component Material Development and Evaluation Principal Role: Researcher (Quantum Hardware Components R&D Team)
Concurrent post, Junta IGARASHI	Single-electron operation using semiconductor device and application. Shota, especially, worked on development of current standard derived from elementary charge e and frequency f. He is assigned to electNanofabrication; Characterization of spintronics device (magnetic tunnel junction); Characterization of magnetic thin film using optical method	High-Frequency Component Material Development and Evaluation Principal Role: Researcher (Quantum Hardware Components R&D Team)
Concurrent post, Kunimitsu KATAOKA	Engaged in inorganic oxide material synthesis, single-crystal growth, crystal structure analysis, and electrochemical measurements. In the G-QuAT, primarily responsible for single-crystal growth for new devices.	Maerial Development Principal Role: Leader, Group (Research Institute for Energy Efficient Technologies)