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Suzuki Lab
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The lab researches semiconductor devices that operate at terahertz frequencies, and their applications to radar and biological uses.
AboutAbout the lab
Making terahertz technology a familiar presence
The Suzuki Lab researches electronic devices that operate in the terahertz band, a range of electromagnetic waves with very high frequencies.
Using nanostructures, the lab draws out the ultimate performance of semiconductors to build devices that operate at terahertz frequencies.
The lab also works on terahertz radar using these devices, and on biological and medical applications.
The lab aims to break through technological barriers and make terahertz applications a familiar part of everyday life.
Key terms
- Terahertz band
- A region of electromagnetic waves with very high frequencies, lying between radio waves and light
- Resonant tunneling diode
- A device that uses the quantum structure of semiconductors. It can amplify or oscillate electromagnetic waves (RTD)
- CMOS
- A method of making integrated circuits from silicon. It allows large-scale circuits to be made with high reproducibility
NewsLab news
A paper by Professor Suzuki and colleagues was published in IEEE TRANSACTIONS ON TERAHERTZ SCIENCE AND TECHNOLOGY
A paper by Professor Suzuki and colleagues was published in APPLIED PHYSICS EXPRESS
A paper by Professor Suzuki and colleagues was published in Applied Physics Letters
A paper by Assistant Professor Matsuda and colleagues was published in Optics Express
A review paper was published as open access
ResearchResearch themes
The lab researches electronic devices that operate in the terahertz band, and terahertz radar and biomedical engineering applications that use them. It aims to draw out the ultimate performance of semiconductors with nanostructures and make terahertz applications a familiar presence.
*Illustrative imageOscillators based on resonant tunneling diodes
The lab generates terahertz signals with resonant tunneling diodes (RTDs), which can oscillate electromagnetic waves. It works on higher frequencies, higher output, and beamforming with aligned phases.
*Illustrative imageControlling electronic devices with optical technology
This research elucidates how electrons behave as waves inside RTDs and builds the underlying theory. By controlling this behavior, the lab aims to operate many devices in unison and to output wideband signals.
*Illustrative imageControlling RTDs with silicon circuits
This research integrates RTDs together with silicon CMOS circuits, transfers the low noise of CMOS circuits to the RTDs, and also controls their phase. The lab aims for devices that can output precisely controlled terahertz signals.
*Illustrative imageTerahertz radar and 3D imaging
Terahertz waves are electromagnetic waves that pass through plastic, paper, and clothing, and can take measurements even in dust and snow. Using RTD oscillators, the lab studies ranging radar and 3D imaging systems.
MembersFaculty
The Suzuki Lab's members consist of faculty, researchers, professors emeritus, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorSafumi SuzukiPublications ↗
- Assistant ProfessorShiori MatsudaPublications ↗
- Project Assistant ProfessorAdrian DobroiuPublications ↗
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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: “Terahertz freq. metamaterial modulator” Hou-Tong Chen (Los Alamos National Laboratory) / Public domain (cropped)
- Oscillators based on resonant tunneling diodes: “Terahertz Acceleration Laboratory, Daresbury Laboratory” Mystery Ray / CC0 (cropped)
- Controlling electronic devices with optical technology: “Terahertz Acceleration Laboratory, Daresbury Laboratory” Mystery Ray / CC0 (cropped)
- Controlling RTDs with silicon circuits: “Philips HEF4052BT die overview mit5x” John McMaster / CC BY 4.0 (cropped)
- Terahertz radar and 3D imaging: “Non destructive evaluation with Terahertz FMCW radar” Jean-Paul Guillete / CC BY-SA 4.0 (cropped)
- Related lab (Miyajima Lab): “Perovskite solar cell” Dennis Schroeder / National Renewable Energy Laboratory / Public domain (cropped)
- Related lab (Ohmi Lab): “Ehysteresis” Ndthe / CC BY 3.0 (cropped)
- Related lab (Arai Lab): “Irradiated spot of diamond with high concentration of nitrogen-vacancy centers” Lillian B. Hughes ほか
/ CC BY 4.0 (cropped) - Related lab (Nakamura Lab): “Ultrasonic motor” Yorkshire Terrier / Public domain (cropped)
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