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Quantum Optics Lab
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A lab that studies quantum optics, which deals with photons, and metamaterials that control light.
AboutAbout the lab
Exploring the quantum world of photons and structures that control light
The Quantum Optics Lab pursues research on photons, the quanta of light, and research on controlling light with artificial structures.
The Kaneda Group aims to understand and control the quantum entanglement and quantum fluctuations of photons, and to demonstrate the mechanisms of quantum technologies.
The Tomita Group creates spatiotemporally modulated metamaterials using metals, semiconductors, magnetic materials, and other materials, and explores new optical properties.
In April 2024, the lab changed its name from the Optical Properties Physics Lab to the Quantum Optics Lab.
Key terms
- Photon
- A quantum of light. An important concept for understanding quantum phenomena such as blackbody radiation and the photoelectric effect
- Quantum entanglement
- A quantum-specific state in which the states of photons or other particles are linked to each other and show properties that defy classical intuition
- Metamaterial
- A material that uses microscopic artificial structures to control how light propagates and behaves
NewsLab news
A master’s student received the Migaku Award Best Poster Award at IcAUMS 2025
A postdoctoral researcher received a Best Poster Award at CRCGP-MSSP2024
A master’s student received the Best Poster Award at an area meeting of the Transformative Research Areas (A) program
The Optical Properties Physics Lab changed its name to the Quantum Optics Lab
ResearchResearch themes
The lab has a quantum optics group that works with photons (the Kaneda Group) and a metamaterial photonics group (the Tomita Group). It studies, from fundamentals to applications, the understanding of photons’ properties as quanta and quantum technologies, as well as artificial structures that create and control light.
*Illustrative imagePhoton Entanglement and Quantum Technologies
The lab aims to understand and control the “quantum entanglement” and “quantum fluctuations” of photons and to demonstrate the mechanisms of quantum technologies. It takes on challenges such as nonlinear optics at the single-photon level and the development of optical quantum gate technologies.
*Illustrative imageOptical Properties of Spatiotemporally Modulated Metamaterials
By modulating artificial structures in space and time, the lab explores new optical properties. Drawing on knowledge of the optical and electronic properties of materials, it aims to create and control light such as microwaves, terahertz light, and visible light.
MembersFaculty
The Quantum Optics Lab’s members consist of faculty, postdoctoral researchers, doctoral, master’s, and undergraduate students, international students, technical staff, and secretaries.As of 2026
- ProfessorFumihiro Kaneda
- Associate ProfessorSatoshi Tomita
- Assistant ProfessorSeigo Ohno
- Assistant ProfessorBAEK Soyoung
- Assistant ProfessorWANG Pengfei
- Project Assistant ProfessorToshiyuki Kodama
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 Optics - Idaho National Laboratory” Idaho National Laboratory / CC BY 2.0 (cropped)
- Photon Entanglement and Quantum Technologies: “Single Photons; Quantum Dots ( )” National Institute of Standards and Technology / Public domain (cropped)
- Optical Properties of Spatiotemporally Modulated Metamaterials: “Terahertz freq. metamaterial modulator” Hou-Tong Chen (Los Alamos National Laboratory) / Public domain (cropped)
- Related lab (Quantum Functional Measurement Lab): “CETB Instrument and Measurement Laboratory 1” Teupdeg / CC BY-SA 4.0 (cropped)
- Related lab (Nuclear Theory Lab): “Alpha-beta-gamma decay” Kailogical / CC BY-SA 4.0 (cropped)
- Related lab (Quantum Spin and Orbital Physics Lab): “JEOL Electron Beam Lithography (EBL) ( )” Simon Fraser University - Communications & Marketing / CC BY 2.0 (cropped)
- Related lab (Molecular Materials Physics Lab): “Stable Levitation of a magnet on a superconductor” Julien Bobroff (user:Jubobroff), Frederic Bouquet (user:Fbouquet), LPS, Orsay, France / CC BY-SA 3.0 (cropped)
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