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Quantum Information and Quantum Optics Lab
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A lab that studies information science based on quantum mechanics, from theory to experiment.

AboutAbout the lab
Studying information science built on quantum mechanics
The Quantum Information and Quantum Optics Lab (Yamamoto Lab) studies quantum information science, an information science based on the properties of quantum mechanics.
The lab takes a broad perspective, from fundamentals to applications and from theory to experiment.
In its experiments, the lab centers on light and also uses cold atoms and mechanical vibrations in solids, gradually expanding its research into quantum networks and quantum interfaces.
The lab belongs to the Condensed Matter Physics and Engineering area of the Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University.
Key terms
- Quantum information science
- Information science based on the properties of quantum mechanics, covering everything from fundamentals to applications
- Quantum cryptographic communication
- Communication technology that uses properties of quantum mechanics to send and receive information securely
- Entanglement
- A link created among multiple objects that is unique to quantum mechanics
NewsLab news
Presented an experiment on a multiplexed quantum-optical interface for scaling up neutral-atom quantum computers
The Ministry of Education, Culture, Sports, Science and Technology's learning material "One Poster for Every Household: Quanta and Quantum Technology" was released (the lab supervised it)
ResearchResearch themes
The lab studies information science based on the properties of quantum mechanics from a broad perspective, from fundamentals to applications and from theory to experiment. Its work ranges from general research that does not depend on any specific physical system to research that makes use of the properties of individual physical systems.
View More ↗MembersFaculty
The members of the Quantum Information and Quantum Optics Lab (Yamamoto Lab) consist of faculty, part-time Project Professors, project researchers, Visiting Professors, doctoral, master's, and undergraduate students, lab administrative assistants, and project administrative staff.As of 2026
- ProfessorTakashi Yamamoto
- Associate ProfessorRikizo Ikuta
- Associate ProfessorShuta Nakajima
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: “Laser LY-RGBW01 internals optical table PC301966” Alexey Vazhnov / CC BY-SA 4.0 (cropped)
- Theory and Experiments in Quantum Information: “Quantum Entangled Photon Generator - DEF CON 17 - Aug. 2009” Nate Grigg from Salt Lake / CC BY 2.0 (cropped)
- Related lab (量子コンピューティング): “Superconducting Metamaterial Chip” OJB Quantum / CC BY 4.0 (cropped)
- Related lab (創発量子物質科学): “Apparatus for measuring vapor pressures - DPLA - 96907cd46db76b056b34c2cda439c64d” 作者不詳 / Public domain (cropped)
- Related lab (メタ光量子物性): “Laser LY-RGBW01 internals optical table shining PC301980” Alexey Vazhnov / CC BY-SA 4.0 (cropped)
- Related lab (強相関系
量子物性): “Dilution Fridge in 16K Resolution 002” OJB Quantum / CC BY 4.0 (cropped)
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