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Quantum System Creation Lab [Institute of Scientific and Industrial Research]
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The lab explores quantum information processing that uses the properties of electron spins and photons.
AboutAbout the lab
Controlling the degrees of freedom of light, electrons, and spin.
The lab studies quantum information processing, centered on semiconductors, that makes use of the quantum-mechanical properties of electron spins and photons.
Spintronics, based on the creation and integration of new optical, electronic, and spin materials, is also a main focus of the lab's research.
The lab covers the whole process, from creating and characterizing materials to precise quantum transport measurements, with the aim of discovering new phenomena brought about by quantum nanostructures.
It is a research division of the Institute of Scientific and Industrial Research at Osaka University, and the lab's website introduces it under the name "Oiwa Lab."
Key terms
- Quantum dot
- A semiconductor structure that confines electrons in a tiny region. It is formed by electrode voltages and can trap a single electron spin.
- Spintronics
- A field that uses not only the charge of electrons but also their property called spin to bring out new functions.
- Quantum repeater
- A technology considered necessary for long-distance quantum information communication using photons.
NewsLab news
Paper on automated tuning of quantum dots published in Japanese Journal of Applied Physics
Paper on spin readout published in npj Quantum Information
Paper on single-electron-spin qubits published in Physical Review Letters
ResearchResearch themes
The lab studies quantum information processing that uses the quantum-mechanical properties of photons and electron spins. It aims to discover new phenomena brought about by quantum nanostructures that control the degrees of freedom of light, electrons, and spin.
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MembersFaculty
The members of the Oiwa Lab consist of faculty, project researchers, a Visiting Associate Professor, project administrative staff, doctoral, master's, and undergraduate students, and special research students.As of 2026
- ProfessorAkira Oiwa
- Associate ProfessorTakafumi Fujita
- Assistant ProfessorToshio Fukai
- Assistant ProfessorKotaro Taga
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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. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Dilution Fridge in English” OJB Quantum / CC BY 4.0 (cropped)
- Quantum interface between photons and electron spins: “Single Photons; Quantum Dots ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Terahertz Science Lab [Institute of Laser Engineering]): “ESA laser testing ESA372639” European Space Agency / CC BY-SA 3.0 igo (cropped)
- Related lab (Laser Science Lab [Institute of Laser Engineering]): “High power taser test of VLT 4LGSF laser launch telecope (tno kamphues 97)” F. Kamphues/TNO/ESO / CC BY 4.0 (cropped)
- Related lab (Photon and Quantum Devices Lab [Institute of Laser Engineering]): “Extreme ultraviolet (EUV) frequency comb ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Electron Microscopy Theory Lab [Research Center for Ultrahigh Voltage Electron Microscopy]): “JEOL JEM-200A transmission electron microscope -08” High Contrast / CC BY 3.0 de (cropped)
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