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Notomi Lab
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A lab that creates new optical properties using nanostructures smaller than the wavelength of light.
AboutAbout the lab
New optical properties from artificial nanostructures.
The Notomi Lab studies the physics of optical properties of matter based on nanophotonics.
Using nanostructures smaller than the wavelength of light, the lab aims to create new optical properties that cannot be realized with materials found in nature.
The lab covers the whole process in-house, from nanostructure design and theoretical analysis to fabrication and optical measurement.
Prof. Notomi also concurrently leads a research team at NTT Basic Research Laboratories, and the lab works closely with NTT's research laboratories.
Key terms
- Nanophotonics
- A research field that controls light using nanometer-scale structures smaller than the wavelength of light.
- Photonic crystal
- An artificial structure in which the refractive index varies periodically at intervals comparable to the wavelength of light. It can greatly change how light propagates.
- Metamaterial
- An artificial material made by arranging metal structures much smaller than the wavelength of light, giving it electromagnetic responses not found in ordinary materials.
- Topological insulator
- A material with special properties: its interior does not conduct electricity, but electrons flow on its surface or edges.
NewsLab news
Paper published in Physical Review Research
Paper with a student as first author published in Physical Review A
Paper published in Physical Review Research
Paper with a student as first author published in Physical Review A
Paper with a student as first author published in Nature Communications
ResearchResearch themes
The lab aims to create new optical properties that cannot be realized in natural materials, using nanostructures smaller than the wavelength of light (photonic nanostructures). Its research combines photonic crystals and metamaterials with new ideas from nanomaterials and condensed matter physics.
*Illustrative imagePhotonic Nanostructures
The lab studies photonic crystals, in which the refractive index varies periodically, as well as plasmonics and metamaterials that use metal nanostructures. These structures can slow down light or confine it in extremely small regions.
*Illustrative imageMerging Nanomaterials and Light
Nanomaterials such as graphene are far smaller than the wavelength of light, so their interaction with light is limited. By combining them with nanostructures that confine light strongly, the lab is building a new optical platform that greatly enhances this interaction.
*Illustrative imageBringing Ideas from Condensed Matter Physics to Light
The lab brings new concepts from condensed matter physics, such as topological insulators and PT symmetry, into the world of light. It realizes such optical systems with photonic crystal technology and aims to elucidate their properties.
*Illustrative imageComputing with Light
With nanophotonics technology, there is now a prospect that optical computing could outperform CMOS arithmetic circuits. Basic research on this optical computing is carried out mainly at NTT laboratories, and the lab collaborates with them.
MembersFaculty
The members of the Notomi Lab consist of faculty, master's students, and undergraduate students.As of 2026
- ProfessorMasaya NotomiPublications ↗
- Assistant ProfessorDaiki Yoda
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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: “Entimus imperialis' photonic crystal” Sébastien R. Mouchet & Jean-François Colomer / CC BY-SA 4.0 (cropped)
- Photonic Nanostructures: “Cross-section image of a photonic crystal membrane” Calen Leverant / CC BY 4.0 (cropped)
- Merging Nanomaterials and Light: “Graphen” AlexanderAlUS / CC BY-SA 3.0 (cropped)
- Bringing Ideas from Condensed Matter Physics to Light: “Möbius strip” David Benbennick / CC BY-SA 3.0 (cropped)
- Computing with Light: “OPTICAL COMPUTER SLIDES - DPLA - 96efc6e00ebd9b703998bdadfb18fe8b” NASA John H. Glenn Research Center / Public domain (cropped)
- Related lab (佐藤研究室): “Femtosecond Laser and Pulse Compressor - Optics Lab - INRIM” Giorgio Brida from Torino, Italy / CC BY 2.0 (cropped)
- Related lab (村上研究室): “Horseshoe Magnetic Filings (Flipped 180)” Noguarde / CC BY-SA 4.0 (cropped)
- Related lab (須山研究室): “Gravitational lensing in the galaxy cluster Abell 370 (captured by the Hubble Space Telescope)” NASA, ESA, the Hubble SM4 ERO Team and ST-ECF / CC BY 4.0 (cropped)
- Related lab (于研究室): “Neel skyrmion coneplot” Forschungszentrum Jülich / CC BY 4.0 (cropped)
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