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Mizugaki-Oon Lab
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A lab aiming at new information processing through superconducting and single-electron devices.
AboutAbout the lab
Manipulating electrons and flux quanta one at a time for new information processing
The lab studies electronic devices and circuits that use superconducting and single-electron phenomena, as well as physical reservoirs made of nanoparticles.
Focusing on devices that move flux quanta or electrons one at a time, it performs circuit simulation, device fabrication, and measurement of electrical characteristics.
The lab works on research themes that lead to novel information processing systems.
It also collaborates with the Quantum Future Creation Device Development Center.
Key terms
- Flux quantum
- The smallest unit of magnetic flux passing through a superconductor. This lab works on circuits that move flux quanta one at a time
- Single-electron tunneling
- A phenomenon in which electrons pass through a tiny tunnel junction one at a time. It underlies devices that move electrons one by one
- Reservoir computing
- A computing method that passes input through a complex system and performs information processing based on its output. A physical reservoir uses a physical system for this purpose
NewsLab news
A review article first-authored by the professor was published
An undergraduate student won an Outstanding Presentation Award at the Electronic Engineering Program labs' joint reading-seminar presentation session
ResearchResearch themes
The lab works on research that leads to novel information processing systems. It studies devices and circuits that use superconductivity and the behavior of single electrons, as well as physical reservoirs made from assemblies of nanoparticles.
*Illustrative imageSuperconducting single-flux-quantum devices and circuits
The lab studies electronic devices and circuits that use superconductivity and the Josephson effect to move flux quanta one at a time. It performs circuit simulation, layout design, and measurement of electrical characteristics, aiming at applications such as high-speed digital computation, high-precision voltage generation, and reservoir computing.
*Illustrative imageSingle-electron devices and circuits
Using the single-electron tunneling phenomenon in tiny tunnel junctions, the lab studies devices and circuits that move electrons one at a time. It fabricates nanodevices, measures their characteristics, and runs Monte Carlo simulations, aiming at applications such as high-sensitivity sensors, high-precision current generation, and reservoir computing.
*Illustrative imagePhysical reservoirs using nanoparticle assemblies
Nanoparticles or nanodots are arranged randomly, and the movement of charge carriers (the particles that carry electricity) within them is exploited. The lab aims to apply this to physical reservoirs used in reservoir computing.
MembersFaculty
The lab's members are faculty (a Professor and an Assistant Professor) and master's and undergraduate students.As of 2026
- ProfessorYoshinao Mizugaki
- Assistant ProfessorOON SIM JUI
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: “BICEP Telescope Camera Superconducting Circuit Chip ( )” National Institute of Standards and Technology / Public domain (cropped)
- Superconducting single-flux-quantum devices and circuits: “Josephson junction real” No machine-readable author provided. Pasquale.Carelli assumed (based on copyright claims). / Public domain (cropped)
- Single-electron devices and circuits: “New Design for Transistors Powered by Single Electrons ( )” National Institute of Standards and Technology / Public domain (cropped)
- Physical reservoirs using nanoparticle assemblies: “Gold and silver nanoparticles in labelled Petri dishes” Drkirstyross / CC BY-SA 4.0 (cropped)
- Related lab (Usui Lab): “Pastilla superconductora” Esmeralda Lizet Martínez Piñeiro / CC BY 3.0 (cropped)
- Related lab (Sakano Lab): “CSIRO ScienceImage 2578 Preparing a Protein Crystal sample for Xray” North Sullivan Photography, CSIRO / CC BY 3.0 (cropped)
- Related lab (Shimizu Lab): “Entangled Photon Generation for Liquid Crystal Qubits Image” Alexander202511 / CC BY-SA 4.0 (cropped)
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