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Fukuchi Lab
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A lab exploring higher-capacity optical fiber communications and all-optical information processing.
AboutAbout the lab
Transmitting information with light and processing it as light.
The Fukuchi Lab conducts research to make optical fiber communications capable of the ultra-high capacity that will be required in the future.
Its research rests on three pillars: long-distance, high-capacity optical fiber transmission networks; all-optical information processing; and development of ultrashort-pulse lasers.
The lab also conducts joint research on detecting and predicting signs of failures in optical fiber communication systems.
It studies optical communications, optoelectronic devices, and photonic networks from both theoretical and experimental perspectives, and at both the device and system levels.
Key terms
- Picosecond
- One trillionth of a second. The widths of optical pulses used in optical communications are expected to reach this range.
- All-optical
- An approach that processes information as light, without relying on electronic technology.
- Failure sign detection
- Catching signs that appear before a failure occurs, from changes in the characteristics of optical signals, and finding them at an early stage.
ResearchResearch themes
Future optical communication systems are expected to require ultra-high capacity on the order of exabits per second, and the optical pulses used are expected to reach widths in the picosecond to sub-picosecond range. The lab works on extending the distance and capacity of optical fiber transmission networks, all-optical ultrahigh-speed information processing, and development of ultrashort-pulse light sources.
*Illustrative imageLonger-Distance, Higher-Capacity Optical Fiber Networks
Making full use of technologies such as digital coherent technology, the lab studies how to make transmission networks that carry information over optical fiber span longer distances with greater capacity.
*Illustrative imageAll-Optical Ultrahigh-Speed Information Processing
This is research on all-optical ultrahigh-speed information processing using nonlinear optical effects. The target is systems that process information as light, without relying on electronic technology.
*Illustrative imageDevelopment of Ultrashort-Pulse Lasers
Sub-picosecond ultrashort-pulse light sources are considered essential for building future optical communications, and the lab develops ultrashort-pulse lasers with high repetition rates.
*Illustrative imageDetecting and Predicting Signs of Failures in Optical Communications
In joint research, the lab uses optical signal characteristic information that has not been used for maintenance and operation. By analyzing changes rather than relying on simple threshold judgments, it works on early detection of signs before a failure occurs and prediction of the location showing those signs.
MembersFaculty
The members of the Fukuchi Lab consist of an associate professor, an assistant professor, and a visiting professor.
- Associate ProfessorYutaka Fukuchi
- Assistant ProfessorDaiki Shiratori
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: “Optical fiber connectors-optical patch cable-01ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Longer-Distance, Higher-Capacity Optical Fiber Networks: “Optical fiber fusion splicing - USDA” U.S. Department of Agriculture / Public domain (cropped)
- All-Optical Ultrahigh-Speed Information Processing: “FMN Lab electro-optical integrated modulator” FMNLab / CC BY 4.0 (cropped)
- Development of Ultrashort-Pulse Lasers: “Femtosecond Pulse Laser at Cornell University” paul_houle / CC BY-SA 2.0 (cropped)
- Detecting and Predicting Signs of Failures in Optical Communications: “Propagation of light through the core of an optical fiber. Macro visualization.” AZToshkov / CC BY-SA 3.0 (cropped)
- Related lab (丸田研究室): “HAARP Antenna Array Transmitter Buildings” Secoy, A / CC BY-SA 4.0 (cropped)
- Related lab (長谷川研究室): “American Wireless Communication Tower at Kalamansig” Municipal Government of Kalamansig / CC0 (cropped)
- Related lab (吉田研究室): “Triangular wave and square wave on oscilloscope screen” User:Xato / CC0 (cropped)
- Related lab (小泉研究室): “AC-to-DC 5 Volts 1A switching power supply circuit board (6)” Suyash Dwivedi / CC BY-SA 4.0 (cropped)
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