Basic Foundation Research
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Research on quantum sensing devices using quantum entangled photonsShigeki TAKEUCHI,
Prof., Kyoto Univ. -
Establishment of earthquake early alert methods using high-sensitivity gravity gradiometerMasaki ANDO,
Prof., UTokyo -
Development of photon-number-resolving quantum nano-photonicsKeiichi EDAMATSU,
Prof., Tohoku Univ. -
Development of quantum atomic magnetometer with dual quantum noise squeezingKosuke SHIBATA,
Assistant Prof., Gakushuin Univ. -
Development of Spectroscopic techniques based on cutting-edge quantum optics toward elucidating functions of complex molecular systemsRyosuke SHIMIZU,
Prof., UEC -
Material science of complex defects for highly-sensitive quantum sensorsTokuyuki TERAJI,
Chief Researcher, NIMS -
Development of next generation high-performance inertial quantum sensorsKenichi NAKAGAWA,
Prof., UEC
Research on quantum sensing devices using quantum entangled photons
Representative Researcher:
TAKEUCHI Shigeki, Professor, Graduate School of Engineering, Kyoto University
Overview
evelops quantum sensing devices using frequency-correlated quantum entangled photons. In particular, the realization of high-sensitivity infrared absorption spectrometers just using visible light detectors based on the infrared quantum absorption spectroscopy using quantum entangled light.
Complementing and synergy effects with the main project
Development of new sensor technologies using quantum entangled light to make a contribution to platforms of quantum measurement and sensing
Establishment of earthquake early alert methods using high-sensitivity gravity gradiometer
Representative Researcher:
ANDO Masaki, Professor, Graduate School of Science, University of Tokyo
Overview
Detects gravity location change at the time of fault ruptures during large scale earthquakes using a gravity gradiometer network and builds systems to dispatch alarms at the early stages in the society
Complementing and synergy effects with the main project
Development of torsion pendulum-type sensors to contribute to platforms of quantum calculation and sensing
gravity gradiometer
Development of photon-number-resolving quantum nano-photonics
Representative Researcher:
EDAMATSU Keiichi, Professor, Research Institute of Electrical Communication, Tohoku University
Overview
Develops quantum light sources with a deterministic photon-number state with high quantum coherence and develops photon-number-resolving detectors that identify and detect photon numbers with extremely high accuracy and quantum efficiency, thereby boosting performance of quantum measurement using quantum properties of photons
Complementing and synergy effects with the main project
Improvement in quantum light sources and detection technologies lead to the development of quantum measurements and sensing using photons
detector and quantum light circuit
Development of quantum atomic magnetometer with dual quantum noise squeezing
Representative Researcher:
SHIBATA Kosuke, Assistant Professor, Physics Division, Department of Science, Gakushuin University
Overview
In a magnetometer using a Bose-Einstein condensate, compression of both of atomic spin quantum noise and photon noise is conducted, realizing magnetic field sensitivity better than the conventional limit.
Complementing and synergy effects with the main project
Basic knowledge on quantum magnetic sensors makes a contribution to the improvement of performance of solid quantum sensors.
condensate spatial magnetometer
Development of Spectroscopic techniques based on cutting-edge quantum optics toward elucidating functions of complex molecular systems
Representative Researcher:
SHIMIZU Ryosuke, Professor, Graduate School of Informatics and Engineering, The University of Electro-Communications
Overview
In addition to the proposal and proof of principle of 2D quantum spectroscopy to extract quantum entanglement information in time-frequency regions of two photons, clarification of the physical functions of useful complicated molecular systems such as photosynthesis is conducted
Complementing and synergy effects with the main project
Substantiates 2D quantum spectroscopy, new quantum measurement technologies, thereby contributing to the platforms of quantum measurement and sensing
Material science of complex defects for highly-sensitive quantum sensors
Representative Researcher:
TERAJI Tokuyuki, Chief Researcher, Research Center for Functional Materials, National Institute for Materials Science
Overview
Development of single-crystal diamond formulation methods that contribute to quantum sensing, building of defect formation scientific principles for high-density high-quality complex defects formation, and creation of diamond NV centers with high-magnetic sensitivity
Complementing and synergy effects with the main project
Advanced crystal growth and evaluation technologies are implemented to obtain high-quality diamond NV centers and improve the fabrication technologies of solid quantum sensors
of high-quality NV centers
Development of next generation high-performance inertial quantum sensors
Representative Researcher:
NAKAGAWA Ken’ichi, Professor, Institute for Laser Science, University of Electro-Communications
Overview
We develop the basic technologies to improve the sensitivity of atomic interferometers by using quantum controls of external motion of atoms, and realize substantial miniaturization of existing inertial quantum sensor systems
Complementing and synergy effects with the main project
Knowledge relating to the improvement of sensitivity of inertial quantum sensors makes a contribution to platforms of quantum measurement and sensing
