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Ono (Madoka) Lab
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The lab creates new optical functional materials by controlling the structure of glass.
AboutAbout the lab
Controlling glass structure to create light-transmitting materials
The Ono Lab studies materials for generating and transmitting photonic quantum states used in applications such as quantum cryptographic communication.
Its main subject is glass. Because glass has a random structure, it is less prone to features such as grain boundaries that scatter light, which makes it well suited to manipulating light.
The lab creates materials with new optical functions by suppressing fluctuations of the structure inside materials or, conversely, deliberately inducing them.
It is a new lab that started in April 2023.
Key terms
- Quantum cryptographic communication
- A new way of transmitting information using quantum cryptography and quantum communication. This information cannot be amplified.
- Chirality
- A property in which the mirror image of an object has the same shape as its paired counterpart, like the relationship between the right hand and the left hand.
- Circularly polarized light
- Light that travels while rotating. It can be produced when light meets a material with chirality.
- Topochemical effect
- An effect in which, when a material is deposited on a crystal substrate, the structure of the material is influenced by the underlying substrate.
NewsLab news
Success in transferring many optical vortices into a material and visualizing them (press release)
Discovery of a mechanism that allows free control of heat flow inside electronic devices (press release)
Experimental confirmation of the optimal pressure needed for optical fiber manufacturing (press release)
ResearchResearch themes
This lab focuses mainly on glass and aims to create unprecedented amorphous materials by changing its structure in various ways. It studies materials with light-related functions, ranging from ultra-transparent materials that support quantum communication to light-emitting materials that emit circularly polarized light.
*Illustrative imageUltra-Transparent Materials for Quantum Communication
In silica glass, the main material of optical fibers, light is scattered and attenuated. Because information in quantum communication cannot be amplified, the lab studies how to control voids in glass to create materials that are more transparent and carry light farther.
*Illustrative imageChiral Light-Emitting Materials That Emit Circularly Polarized Light
The lab aims to develop new light-emitting materials that emit circularly polarized light by making chiral ceramic crystals and glasses luminesce. Circularly polarized light is expected to be used in many settings, from quantum communication and quantum computers to LED lighting for plant factories.
*Illustrative imageGlass Whose Structure Is Controlled by a Substrate
When a material is deposited on a crystal substrate, its structure is influenced by the underlying substrate (topochemical effect). It has become clear that even amorphous materials can take special forms with properties different from those made by ordinary methods, and the lab expects this to become a new way to make new amorphous materials.
*Illustrative imageComposite Materials with Multiple Functions
Glass can be stretched when heated, and order in the atomic structure can be created along the stretching direction. Using properties that follow this order, the lab aims to create devices in which light and ions move only in a certain direction.
MembersFaculty
The members of the Ono Lab in Optical Functional Materials Physics consist of faculty, JSPS Research Fellows, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMadoka Ono
- Assistant ProfessorKazuro Kizaki
- Assistant ProfessorShunta Sasaki
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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: “Single strand of a Optical fiber network cable, stripped clean to the (fragile) glass fiber core” Dennis van Zuijlekom from Ermelo, The Netherlands / CC BY-SA 2.0 (cropped)
- Ultra-Transparent Materials for Quantum Communication: “Spread of light in optical fiber, Macro visualization, Demonstration of prof Angel Toshkov to students” AZToshkov / CC BY-SA 3.0 (cropped)
- Chiral Light-Emitting Materials That Emit Circularly Polarized Light: “Circular polarization demonstrated with stereo glasses and iPad” Pieter Kuiper / CC0 (cropped)
- Glass Whose Structure Is Controlled by a Substrate: “Princip naprašování” Vítězslav Lamač / CC BY-SA 4.0 (cropped)
- Composite Materials with Multiple Functions: “Glass Lathe” Steve Ryan / CC BY-SA 2.0 (cropped)
- Related lab (Yamashita-Kato Lab): “Measuring a qubit leaves no room for error” FMNLab / CC BY 4.0 (cropped)
- Related lab (Systems and Control Engineering (Sugita) Lab): “Optical Therapeutics and Medical Nanophotonics Laboratory ( )” The U.S. Food and Drug Administration / Public domain (cropped)
- Related lab (Communication Systems [Nishiyama] Lab): “Cellular tower-3” Wikideas1 / CC0 (cropped)
- Related lab (Novel-Concept VLSI Systems Lab): “A wafer consisting of MPC designs all over the wafer and five process control monitor (PCM) designs for ensuring good quality of the processing” Khpsoi / CC BY-SA 4.0 (cropped)
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