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〈Electronic Devices / Communication Engineering〉
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The lab studies integrated circuits for optical transceivers.
AboutAbout the lab
Optimizing optical communication circuits to meet diverse demands
The Kimura Lab studies electronic circuits used in optical communication, especially integrated circuits for optical transceivers.
Internet traffic continues to grow, and optical communication is required to deliver ever higher transmission speeds and larger capacity.
At the same time, the services provided over optical networks are becoming more diverse.
The lab therefore aims to realize integrated circuits for optical transceivers whose performance can be optimized to meet a wide range of requirements.
The lab was established in July 2019.
Key terms
- Optical transceiver
- A device that transmits and receives optical signals in optical communication
- Adaptive modulation
- A technique that switches how signals are sent (the modulation scheme) depending on the communication conditions
- Burst transmission
- A transmission method in which optical signals are sent intermittently rather than continuously
ResearchResearch themes
In optical networks, not only is traffic increasing, but the services provided are also becoming more diverse. The lab aims to realize integrated circuits for optical transceivers whose performance balance can be adjusted to suit the application.
*Illustrative imageOptical transceiver circuits with adjustable performance
The lab makes multiplexing parameters such as time, wavelength, and subcarriers variable, and uses adaptive modulation techniques. It aims to realize integrated circuits for optical transceivers that can finely optimize the performance balance, including power consumption and signal processing delay.
*Illustrative imageCircuits suited to burst transmission in optical access
For optical access networks that use burst transmission of light, the lab is investigating new circuit architectures that add flexibility without sacrificing instantaneous response performance. It is also investigating architectures that allow a choice between maximizing total bandwidth and minimizing power consumption while maintaining fairness among users.
MembersFaculty
The members of the Kimura Lab are faculty members.
- ProfessorShunji Kimura
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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: “Disassembled QSFP transciever” Dragon Sully / CC0 (cropped)
- Optical transceiver circuits with adjustable performance: “NORTEL AA1419001 Optical interface tear down” Mister rf / CC BY-SA 4.0 (cropped)
- Circuits suited to burst transmission in optical access: “SC-APC fiber optic cable” Alexceltare2 / CC BY-SA 4.0 (cropped)
- Related lab (〈Electronic Devices / Electronic Equipment〉): “Electronics workbench” James Bastow / CC BY-SA 2.0 (cropped)
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