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High-Frequency Integrated Circuits and Microwave Communication Devices Lab
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The lab designs and prototypes integrated circuits and antennas for wireless communication.
AboutAbout the lab
Designing circuits and antennas for wireless communication on a chip.
The High-Frequency Integrated Circuits and Microwave Communication Devices Lab designs, prototypes, and evaluates integrated circuits (LSI), antennas, and filters used in wireless communication.
Its research targets include low-noise integrated circuits for wireless communication, components for ultra-wideband (UWB) radio, compact antennas, and packaging technology that connects chips and antennas.
Through joint research with Kyushu University's medical and dental schools and its hospital, the lab also works on developing power supply for medical sensors and in-body sensors.
On the lab's website, it is introduced under the name "Kanaya Lab."
Key terms
- Matching circuit
- A circuit that interconnects circuit components such as amplifiers and mixers
- Coplanar waveguide
- A transmission line (CPW) that carries signals. This lab has proposed a design theory that uses it in place of spiral inductors
- Electrically small antenna
- An antenna whose physical dimensions are small compared with its resonant wavelength. Miniaturization tends to lower radiation efficiency
ResearchResearch themes
This lab designs integrated circuits, antennas, and filters for wireless communication, and actually prototypes and evaluates LSI chips. The frequency ranges it studies are UHF, microwave, millimeter-wave, and terahertz.
*Illustrative imageCircuit Design for Wireless Chips
The lab designs amplifiers, oscillators, matching circuits, and other circuits on chips. It has proposed a new design theory that uses coplanar waveguides instead of spiral inductors, and explains that it can save more than 50% of on-chip area compared with conventional designs.
*Illustrative imageCompact Filters and Matching Circuits
While improving the characteristics of microwave filters (bandpass filters), the lab miniaturizes them on chips using LSI technology. For a matching circuit using coplanar waveguide meander lines, the lab carried out everything from design to fabrication and testing.
*Illustrative imageCompact Antenna Design
The lab carries out systematic design and optimization to realize electrically small antennas, and fabricates and evaluates the antennas. It analyzes antennas mounted on substrates or chips using tools such as Momentum and HFSS.
*Illustrative imageHigh-Speed Optical Switches and Optical Routers
This research aims to make optical switches, which switch the paths of optical signals, faster and lower-power for small-scale networks. The lab designed a drive circuit with low standby power using stacked CMOS inverters, and the switching speed became 31.5% faster than before.
MembersFaculty
The members of the High-Frequency Integrated Circuits and Microwave Communication Devices Lab are faculty members and students in the doctoral, master's, and undergraduate programs.As of 2026
- ProfessorHaruichi Kanaya
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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: “RFID-tag-with-energy-harvesting-module” B. Molina-Farrugia, A. Rivadeneyra, J. Fernández-Salmerón, F. Martínez-Martí, J. Banqueri, M. A. Carvajal / CC BY 4.0 (cropped)
- Circuit Design for Wireless Chips: “IMEC FUGA18 printed circuit board” Mister rf / CC BY-SA 4.0 (cropped)
- Compact Filters and Matching Circuits: “TOYOCOM HCM Filter S4B01 Monolithic Crystal Filters” Mister rf / CC BY-SA 4.0 (cropped)
- Compact Antenna Design: “Compact AIS antenna” ESA – G. Porter / CC BY-SA 3.0 (cropped)
- High-Speed Optical Switches and Optical Routers: “Optical switch - DARPA Quantum Network, in the BBN laboratory - IMG 2681” Daderot / CC0 (cropped)
- Related lab (Microdevice Lab): “3x3 Quilt Packaging Chip Array” Jacksontlu / CC BY-SA 4.0 (cropped)
- Related lab (Functionality Emergence Integrated Systems Lab): “2N1307 transistor bond wires” Mister rf / CC BY-SA 4.0 (cropped)
- Related lab (Circular Integrated Photonics Lab): “Inkjet-Nummerierwerk” Monster4711 / CC BY-SA 4.0 (cropped)
- Related lab (Information Photonics Lab): “Photonic Spectrum prototype being tested by Autumn Siegel” Victoria Lee Croasdell / CC BY-SA 4.0 (cropped)
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