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Moritake Lab
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The lab uses artificial structures as small as the wavelength of light to control light and explore new optical physics.
AboutAbout the lab
Controlling light freely with artificial microstructures
The Moritake Lab studies nanophotonics, in which artificial structures as small as the wavelength of light are fabricated to control light freely.
Using structures known as metasurfaces and photonic crystals, the lab explores new optical physics and new optical functions.
Lab members carry out every step themselves, from physics and optics theory and numerical simulation to device fabrication by microfabrication and optical measurements.
Each member has a separate research theme and can pursue it at their own discretion.
Key terms
- Metasurface
- An artificial thin structure made by arranging structures smaller than the wavelength of light on a surface, used to control how light travels and its properties
- Non-Hermitian system
- A physical system in which energy is not conserved. Phenomena appear that do not occur in systems where energy is conserved
- Topology
- A branch of mathematics that focuses not on the details of an object's shape but on features that do not change under smooth deformation
NewsLab news
Paper published in Nature Communications
Paper published in Physical Review Letters
Lab tour for the Department of Applied Physics held at the Institute of Industrial Science
Moritake Lab launched at the Institute of Industrial Science
ResearchResearch themes
The lab studies meta-optics and nanophotonics, in which microscopic structures about the size of the wavelength of light are artificially engineered to control light freely. Using metasurfaces and photonic crystals that incorporate ideas from condensed matter physics, the lab investigates new optical physics and new optical functions.
*Illustrative imageNon-Hermitian Photonics
The lab uses nanophotonic structures to realize phenomena that occur in non-Hermitian systems, where energy is not conserved. Phenomena in which the response changes depending on the direction from which light enters are also attracting attention because they are easy to apply to optical functions.
*Illustrative imageTopological Photonics
This research field applies topology, a branch of mathematics that focuses on the overall features of a shape rather than its details, to nanophotonics. It leads to optical analogues of topological insulators and to new optical functions.
*Illustrative imageOptical Physics of Non-Repeating Structures
The lab explores, in nanophotonic systems, the properties of aperiodic and quasiperiodic structures that do not repeat regularly, which differ from those of periodic structures. The goal is to create new optical functions.
MembersFaculty
The Moritake Lab has just been launched, and its current members are faculty only. Students have not yet been assigned to the lab.As of 2026
- Associate ProfessorYuto MoritakePublications ↗
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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: “SRNL Developing Photonic Crystals ( )” Savannah River Site / Public domain (cropped)
- Non-Hermitian Photonics: “Cross-section image of a photonic crystal membrane” Calen Leverant / CC BY 4.0 (cropped)
- Topological Photonics: “Mug and Torus morph frame” Kieff / Public domain (cropped)
- Optical Physics of Non-Repeating Structures: “Bunch of connected hat tiles” Aschroet / CC0 (cropped)
- Related lab (Endo Lab): “Infrared (1064 nm) Laser Beams and Pre-Mode Cleaner” Tobin from Rochester, NY, USA / CC BY-SA 2.0 (cropped)
- Related lab (Furusawa Lab): “Femtosecond Laser and Pulse Compressor - Optics Lab - INRIM” Giorgio Brida from Torino, Italy / CC BY 2.0 (cropped)
- Related lab (Katori-Ushijima Lab): “Sr-lattice-optical-atomi-clock opt” The Ye group and Brad Baxley, JILA / Public domain (cropped)
- Related lab (Ideguchi Lab): “TiSa laser” Mathieu Perrin / CC BY 2.5 (cropped)
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