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Quantum Hardware Components R&D Team

  • Create a 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 part and component development, expand markets, and reduce costs.
  • Promote the development of parts and components used in quantum computers and sensors, 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 quantum hardware components for quantum computers and sensors

    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 specific temperature points 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 collaborations with industry and academic partners.

    Fig.1: Reaction at Electrode Catalyst

    Staff Members

    photo position & name field of expertise and other info
    KANEKO 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.  
    ARAKAWA 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.  
    KIKUCHI Researcher,
    Takahiro KIKUCHI    		 Transition Edge Sensors (TESs), Microwave-multiplexed SQUIDs for TES readout, Applications with TESs  
    NORIMOTO 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  
    IGARASHI Researcher,
    Junta IGARASHI    		 Nanofabrication; Characterization of spintronics device (magnetic tunnel junction); Characterization of magnetic thin film using optical method  
    TSURUTA Researcher,
    Tetsuya TSURUTA    		 I am responsible for the development of superconducting transition edge sensor (TES) based single-photon detectors with photon-number resolving capability. Additionally, I work on the development of quantum metrology techniques using single-photon measurements.  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent posit,
    Daiji FUKUDA    		 Quantum metrology for photons based on superconducting sensors  
    Photo of Researcher, Xxxxxx XXXXXXX 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  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent post,
    Yuma OKAZAKI    		  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent post,
    Seitaro KON    		 Precise electromagnetic measurement and its sensing application  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent post,
    Yuto KATO    		 Material measurement techniques; Electromagnetic metamaterials  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent post,
    Shigemoto SHIKI    		 Development of superconducting detector ; Instrumentation of materials analysis apparatus equipped with superconducting detectors ; packaging technology of superconducting detectors  
    Photo of Researcher, Xxxxxx XXXXXXX Concurrent post,
    Hiroyuki KAYANO    		  

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