Macroscopic Quantum Machines

1.7 Quantum network/Quantum Internet
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)
2.4 Quantum optics/Quantum teleportation(Quantum optical network/Quantum repeaters)
2.5 Quantum wiring/Quantum electronics/Electronics for Quantum Information

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Yasunobu Nakamura

Research Center for Advanced Science and Technology

Professor

Towards applications in quantum information technologies, we are developing techniques for quantum control and measurements based on the collective degrees of freedom found in macroscopic-scale solid-state devices, such as superconducting quantum bits that are realized in superconducting circuits. This investigation is conducted under the JST ERATO program.

Research directions of the Macroscopic Quantum Machines project

Hybrid quantum systems using macroscopic-scale collective excitations

Research collaborators

RIKEN
National Institute of Information and Communications Technology (NICT)
Tokyo Medical and Dental University
Toshiba Corporation
Osaka University
Nagoya University
National Institute of Advanced Industrial Science and Technology (AIST)
Nippon Telegraph and Telephone Corporation (NTT)
NEC Corporation
Ball Wave Inc.

Related publications

Quantum non-demolition detection of an itinerant microwave photon, S. Kono et al., Nature Physics 14, 546 (2018).
Entanglement-based single-shot detection of a single magnon with a superconducting qubit, D. Lachance-Quirion et al., Science 367, 425 (2020).
Single-photon quantum regime of artificial radiation pressure on a surface acoustic wave resonator, A. Noguchi et al., Nature Commun. 11, 1183 (2020).