Development of Cryogenic Technologies for Quantum Computers and Science

2.1 Quantum bits, memories, devices(Superconducting circuits, Ion trapping, Trapped cold atoms, Photons, Quantum dots, etc.)
2.2 Quantum sensing(Quantum metrology/Sensing/Imaging, Optical lattice clocks)
2.3 Quantum materials(Topological materials/Thermoelectric devices/Functional materials)
2.5 Quantum wiring/Quantum electronics/Electronics for Quantum Information

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Shin-ichi Ohkoshi

Cryogenic Research Center

Director (Professor)

We are developing several innovative cryogenic technologies for quantum computers and science: (a) A new type of attenuator for microwave cables, (b) High-performance flexible thermal links, (c) Long-life cold trap, (d) Helium adsorption compressor, and (e) Continuous nuclear demagnetization refrigerator.

Cryogenic technologies for quantum computers and science.
Cryogenic Research Center

Dilution refrigerator for studies on quantum science. (a)－(d) Key aspects of our developments.
Cryogenic Research Center

Research collaborators

Noguchi Atsushi Laboratory, Komaba Institute for Science, The University of Tokyo

Related publications

Sachiko Nakamura, Daisuke Miyafuji, Takenori Fujii, Tomohiro Matsui, and Hiroshi Fukuyama, Cryogenics 86, 118–122 (2017).
Sachiko Nakamura, Daisuke Miyafuji, Ryo Toda, Tomohiro Matsui, and Hiroshi Fukuyama, J. Low Temp. Phys. 192, 330–345 (2018).
Ryo Toda, Satoshi Murakawa, and Hiroshi Fukuyama, J. Phys. Conf. Ser. 969, 012093–1–6 (2018).
S. Takimoto, R. Toda, S. Murakawa, and Hiroshi Fukuyama, J. Low Temp. Phys.: DOI 10.1007/s10909-019-02331-2.