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Quantum Hardware Components R&D Team

Create an overview and roadmap of large-scale quantum computers and their parts and components designed for next generation industrial applications.

Through the roadmap activity, involve parts and component suppliers including SMEs, foster parts and component development, expand markets, and reduce costs.

Promote the development of parts and components used in quantum computers, and evaluation system for low-temperature characteristics of them. Encourage the international standardization for the evaluation methods and the shapes and structures of the parts and components.

Assist companies in commercializing their products for parts and components and strengthening their supply chains by offering fee-based evaluation and certificate testing services.

Team Research Theme

Development of XYZ for QQQ

We establish a one-stop testbed for quantum hardware components at G-QuAT. Based on our national standards, hardware components, e.g., amplifiers, RF components, cables, semiconductor and superconductor circuits, optical components will be evaluated at appropriate conditions of temperature: 10 mK to 300 K (at one temperature or with temperature gradient). Various parameters to be evaluated include but not limited to S parameters at frequencies up to 67 GHz, and thermal and optical properties. The conditions will be set by the companies demands and evaluation results will be utilized by the companies to enhance their values and to accelerate their R&D. We are actively involved in collaboration with industry and academic partners.

Staff Members

photo	position & name	field of expertise	and other info
	Team Leader, Nobu-Hisa KANEKO	Material science/physics and its applications to quantum standards and sensors. His interests include but not limited to research of macroscopic quantum effects e.g., the Josephson effect, the quantum Hall effect, and the single electron tunneling effect and their applications. At G-QuAT, he has been working on quantum measurements and sensing and evaluation of quantum hardware components.
	Senior Researcher, 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.
	Researcher, Takahiro KIKUCHI	Physics, X-ray Astronomy, High-energy-resolution spectroscopy, Photon counting Transition Edge Sensor (TES) in the wide energy band from optical to gamma rays, Frequency doming multiplexing with microwave Superconducting Quantum Interference Device (SQUID)
	Researcher, 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
	Researcher, Junta IGARASHI	Nanofabrication; Characterization of spintronics device (magnetic tunnel junction); Characterization of magnetic thin film using optical method
	Researcher, Tetsuya TSURUTA
	Concurrent posit, Daiji FUKUDA	Quantum metrology for photons based on superconducting sensors
	Concurrent post, Shuji NAKAMURA	Quantum Metrology Triangle experiment ; Quantum current standard with single electron device ; Circuit QED experiment with defect centers ; Circuit QED experiment with topolog
	Concurrent post, Yuma OKAZAKI
	Concurrent post, Seitaro KON	Precise electromagnetic measurement and its sensing application
	Concurrent post, Yuto KATO	Material measurement techniques; Electromagnetic metamaterials
	Concurrent post, Shigemoto SHIKI	Development of superconducting detector ; Instrumentation of materials analysis apparatus equipped with superconducting detectors ; packaging technology of superconducting detectors
	Concurrent post, Hiroyuki KAYANO

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