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Ono Lab
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A lab that designs and prototypes high-frequency circuits in the microwave band.
AboutAbout the lab
Designing microwave circuits and turning them into hardware.
The Ono Lab studies the design of high-frequency circuits in the microwave band, especially passive circuits.
In design, it uses circuit simulators and electromagnetic field simulators, and it also prototypes and measures circuits.
The lab also conducts joint research with the National Astronomical Observatory of Japan and Hitachi.
Key terms
- 90-degree hybrid coupler
- A circuit that splits input power equally between two outputs and gives the outputs a 90-degree phase difference
- NV center
- A lattice defect in diamond consisting of a nitrogen atom and a vacancy. It can maintain its quantum state at room temperature and atmospheric pressure
- Superconducting thin film
- A film of superconducting material that can be used as the conductor of cooled circuits. It can be patterned into extremely fine shapes
NewsLab news
A graduate's English-language letter was published in IEICE Electronics Express
A doctoral student received the BEST TECHNICAL PAPER AWARD at NEMO 2026
A fourth-year undergraduate received the Meguro-kai Award
Doctoral, master's, and undergraduate students received Student Awards for outstanding research achievements
A student received an Excellent Presentation Award at the final presentation of the Electronics and Informatics Program
ResearchResearch themes
Centered on the design of microwave-band high-frequency circuits, the Ono Lab studies 90-degree hybrid couplers, antennas, six-port circuits, filters, and multiplexers. Students who want to pursue a particular research topic can discuss it with the lab, which is willing to consider it as long as it does not stray far from the lab's expertise.
*Illustrative imageBroadband 90-Degree Hybrid Couplers
In joint research with the National Astronomical Observatory of Japan and others, the lab is developing circuits that split power equally and give the outputs a 90-degree phase difference. There are versions using printed circuit boards and versions using superconducting thin films, and they are designed with electromagnetic field simulators.
*Illustrative imageMicrowave Antennas for NV Centers
In joint research with Hitachi, the lab developed a microwave antenna for applying an alternating magnetic field to NV centers, which are lattice defects in diamond. The antenna is for a scanning probe microscope called NVC-SPM, and an electromagnetic field simulator was used in its design.
MembersFaculty
The Ono Lab's members consist of faculty, collaborating researchers, doctoral, master's, and undergraduate students, and research students.As of 2026
- Satoshi Ono
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: “Microstrip-bandpass-filter” Catslash / Public domain (cropped)
- Broadband 90-Degree Hybrid Couplers: “WaveguideJ-Band” Muraer / CC BY-SA 3.0 (cropped)
- Microwave Antennas for NV Centers: “Irradiated spot of diamond with high concentration of nitrogen-vacancy centers” Lillian B. Hughes, Zhiran Zhang, Chang Jin, Simon A. Meynell, Bingtian Ye, Weijie Wu, Zilin Wang, Emily J. Davis, Thomas E. Mates, Norman Y. Yao, Kunal Mukherjee, Ania C. Bleszynski Jayich / CC BY 4.0 (cropped)
- Related lab (Wada Lab): “Waveguide stub filter” SpinningSpark / CC BY-SA 3.0 (cropped)
- Related lab (Fan Lab): “BIOS chip MXIC 25L6406E on a ThinkPad X220 motherboard (FRU 04W3286)” Siarhei Besarab / CC BY-SA 4.0 (cropped)
- Related lab (Ando Lab): “FDTD TFSF (English)” User:Dominator9000 / CC BY-SA 4.0 (cropped)
- Related lab (Ishibashi Lab): “LteMimoAntennen” BAZ Spezialantennen / CC BY 3.0 (cropped)
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