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Quantum Computing Lab
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A division that researches quantum computing, system design, and data security.

AboutAbout the lab
A division devoted to quantum computing research
The Quantum Computing Research Division is a division established within the System LSI Research Center.
Division head Professor Masao Hirokawa works on quantum science and technology and related research, as well as research on physical-layer data security.
Associate Professor Teruo Tanimoto studies system architecture for quantum gate computers.
Members of the center remain affiliated with their respective research faculties while carrying out research at the center.
Key terms
- System architecture
- An approach to building a computer system with attention to performance, ease of design, and security.
- Physical-layer data
- Data handled at the physical layer, the lowest layer of the communication layer model (the OSI reference model).
- Quantum simulation
- A method of reproducing the quantum phenomenon one wants to investigate as an actual physical system, using quantum information devices.
ResearchResearch themes
As a research division for quantum computing, the lab studies the design of computer systems, quantum science and technology, and data security. The division's faculty members remain affiliated with their existing research faculties while working on their respective research themes.
*Illustrative imageQuantum science and technology and related research
Professor Hirokawa works on quantum science and technology and related research. Quantum sensing, quantum simulation, and the technologies derived from them are also studied as original research activities of the Quantum Computer Science and Technology Lab.
*Illustrative imagePhysical-layer data security
Professor Hirokawa works on research to protect data handled at the physical layer of communication. The research covers systems that conceal and restore data: random noise is superimposed to hide the data, and probabilistic filtering then removes the noise to recover the original.
*Illustrative imageSystem design for quantum computers
Associate Professor Tanimoto studies system architecture for quantum gate computers. He considers it necessary for computer systems to incorporate new devices so that problems that could not be solved before become solvable.
MembersFaculty
The members of the Quantum Computing Research Division consist of faculty members and visiting faculty members.As of 2025
- ProfessorMasao Hirokawa
- Associate ProfessorTeruo Tanimoto
VoicesStudent voices
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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: “NCipher nShield F3 Hardware Security Module” Alexander Klink / CC BY 3.0 (cropped)
- Quantum science and technology and related research: “Measuring a qubit leaves no room for error” FMNLab / CC BY 4.0 (cropped)
- Physical-layer data security: “Arvin Eight Transistor 64R38 Radio printed circuit board” Mister rf / CC BY-SA 4.0 (cropped)
- System design for quantum computers: “IBM Quantum System One” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (AI Computing Lab): “Central processing unit” Lamproslefteris / CC BY-SA 4.0 (cropped)
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