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Quantum Information Research Center
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A center that advances quantum information research by integrating fields of quantum technology.
AboutAbout the lab
Integrating quantum technologies to support the next society
The Quantum Information Research Center aims to realize a super-smart society (Society 5.0) that is supported by quantum technology and coexists with risk, through cutting-edge research that integrates fields related to quantum technology.
Researchers in quantum information from inside and outside Yokohama National University gather here, exchange information and generate ideas on a daily basis, and create an environment in which joint research projects are launched continuously.
The center was established as a world-class research hub for practical research, having earned the external trust needed to undertake large-scale research projects at the highest level in the world.
It is a research center of the Institute of Advanced Sciences (IAS), and its members are divided into three labs: quantum information physics, quantum control electronic integrated circuits, and integrated photonics.
Key terms
- Quantum interface
- A connection for exchanging quantum information between different types of quantum systems
- Superconducting qubit
- The basic unit that carries information in a quantum computer, built from a superconducting circuit
- Nitrogen-vacancy center
- A defect in a diamond crystal consisting of a nitrogen atom paired with an adjacent vacancy (a missing atom). Also called an NV center
NewsLab news
An Assistant Professor received the 59th (Autumn 2025) Japan Society of Applied Physics Young Scientist Presentation Award
Partnering with KEK to advance research in quantum science
A paper on orbital-state control of neutral NV centers was published in Physical Review Letters
Signed a partnership agreement with AIST G-QuAT (National Institute of Advanced Industrial Science and Technology) on the societal implementation of quantum technology
Signed a memorandum of understanding with Ulm University to promote cooperation in quantum technology
ResearchResearch themes
The Quantum Information Research Center aims to realize a super-smart society that coexists with risk, through cutting-edge research that integrates fields related to quantum technology. Its members specialize in quantum information physics, superconducting electronics, optoelectronics, and related areas, and are divided into three labs.
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MembersFaculty
The members of the Quantum Information Research Center consist of the center director; professors, associate professors, and assistant professors (including concurrent appointments); IAS assistant professors; IAS invited professors; IAS visiting professors, associate professors, assistant professors, and researchers; and part-time faculty.As of 2026
- Center Director, Professor (concurrent)Hideo Kosaka
- Professor (Concurrent)Tomoyuki Horikiri
- Professor (Concurrent)Akihiro Minamino
- Professor (Concurrent)Daisuke Akamatsu
- Professor (Concurrent)Fumihiro Inoue
- Associate Professor (Concurrent)Yo Ozawa
- Associate Professor (Concurrent)Yoshihiro Shimazu
- Assistant ProfessorYuhei Sekiguchi
- IAS Assistant ProfessorAkira Kamimaki
- IAS Assistant ProfessorAkiyuki Konno
- ProfessorNobuyuki Yoshikawa
- Professor (Concurrent)Yuki Yamanashi
- Associate Professor (Concurrent)Mengnan Ke
- IAS Assistant ProfessorHongxiang Shen
- IAS Assistant ProfessorWenhui Luo
- Professor (Concurrent)Toshihiko Baba
- Associate Professor (Concurrent)Yoshiaki Nishijima
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images.
- Top image: “Floor Standing Cryostat with DR Insert Removed” OJB Quantum / CC BY 4.0 (cropped)
- Development of Quantum Interfaces: “ALE4077” Alessiocoser / CC BY 4.0 (cropped)
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