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Sogabe Lab
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A lab that takes on challenges in energy and social infrastructure through AI and quantum research.

AboutAbout the lab
Toward a carbon-neutral society with AI and quantum technology
The lab conducts research toward realizing a carbon-neutral society.
It works on developing next-generation energy devices using AI, optimization problems for social infrastructure systems, and algorithms for quantum computers.
Its main research areas include reinforcement learning, machine learning, stochastic optimization, quantum algorithms, and quantum circuit learning and quantum machine learning.
The lab is also building a physical quantum computer system based on superconducting qubits.
Key terms
- Superconducting qubit
- A qubit that uses superconductivity. Because it is easily affected by heat and external noise, it is operated at extremely low temperatures
- Dilution refrigerator
- A device that cools superconducting qubits to temperatures close to absolute zero
- QuEC
- The lab's physical system, which combines qubits, a refrigerator, wiring, and control and measurement equipment
NewsLab news
View More ↗ResearchResearch themes
The lab works on developing next-generation energy devices using AI, optimization problems for social infrastructure systems, and algorithms for quantum computers. Its research page is organized into three fields: quantum hardware, quantum software, and transparent solar cells.
View More ↗MembersFaculty
The lab's members are a Professor, an Assistant Professor (collaborating), visiting researchers, collaborative researchers, research support staff, doctoral, master's, and undergraduate students, and a lab secretary.As of 2026
- ProfessorTomah Sogabe
- Assistant Professor (Collaborating)Katsuyoshi Sakamoto
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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: “High voltage switchgear” Novoklimov / CC0 (cropped)
- Developing a physical quantum computer: “Dilution Fridge 008 16K” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (Saito Lab): “Liquid helium lambda point transition” Alfred Leitner photographed this as part of his movie "Liquid Helium, Superfluid". / Public domain (cropped)
- Related lab (Miwa Lab): “CMS muon chambers” zipckr / CC BY 2.0 (cropped)
- Related lab (Hirano Lab): “Photinus pyralis Firefly glowing” art farmer from evansville indiana, usa / CC BY-SA 2.0 (cropped)
- Related lab (Okawa Lab): “Diagram of a nuclear power plant with a boiling water reactor” Siarhei Besarab / CC BY-SA 4.0 (cropped)
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