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Uenohara Lab
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A lab that studies optical devices and systems for ultrahigh-speed, large-capacity optical networks.
AboutAbout the lab
Sending light fast, in large volumes, and with little power.
The Uenohara Lab studies integrated optical devices and systems for ultrahigh-speed photonic networks.
Its goals are high-speed, large-capacity transmission and efficient data transfer with low power consumption.
The lab works on techniques that use machine learning to correct distortion in optical signals, as well as silicon photonics optical switches.
The lab forms a research group with the Miyamoto Lab and the Koyama Lab, and the groups share student rooms, laboratories, and experimental equipment as needed.
Key terms
- Photonic network
- A communication network that carries information as light, built by combining optical fibers and optical components
- Optical signal processing
- Technology for modifying and processing optical signals as light, without converting them to electrical signals
- Silicon photonics
- Technology for building optical circuits on silicon semiconductor chips
NewsLab news
A master's student received the Outstanding Poster Presentation Award at the Optical Communication Systems Symposium
A master's student received the Outstanding Master's Thesis Award from the Electrical and Electronic Engineering Course
ResearchResearch themes
The lab studies integrated optical devices and systems that achieve high-speed, large-capacity transmission and low-power, high-efficiency data transfer. It works on ultrahigh-speed, high-efficiency optical signal processing and coding, correction of optical signal distortion using machine learning, and optical switching technology.
*Illustrative imageOptical Switches on Silicon
To make data center communication faster and more energy efficient, the lab is developing switches that form light paths on silicon and change the direction of light by applying an electric current. It also works on structures that are less affected by the polarization direction of light.
*Illustrative imageCircuits That Compute Using Light Interference
The lab studies circuits that perform digital computation using only interference between light beams, without converting light to electricity. By designing devices where many light paths intersect, it has realized decoders, adder circuits, and signal pattern recognition.
*Illustrative imageCorrecting Optical Fiber Distortion with AI
Signals become distorted as they travel through long optical fibers. The lab studies methods that correct this distortion using deep learning, and methods that suppress interference when signals with different bandwidths are mixed, aiming to enable large-capacity transmission.
MembersFaculty
The Uenohara Lab consists of faculty members, doctoral, master's, and undergraduate students, and researchers and secretaries shared across the research group.As of 2026
- ProfessorHiroyuki UenoharaPublications ↗
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 cable-06ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Optical Switches on Silicon: “Silicon Photonics 300mm wafer” Ehsanshahoseini / CC BY-SA 4.0 (cropped)
- Circuits That Compute Using Light Interference: “Photon Source ( )” National Institute of Standards and Technology / Public domain (cropped)
- Correcting Optical Fiber Distortion with AI: “Bobine Fibres optiques” photography taken by Christophe.Finot / CC BY-SA 3.0 (cropped)
- Related lab (Nishiyama Lab): “Laser diode chip” NASA
（PD NASA。 作者欄なし） / Public domain (cropped) - Related lab (Tran Lab): “Constellation satellites in low Earth orbits (artist’s impression, not to scale) (noirlab2022a)” NOIRLab/NSF/AURA/P. Marenfeld / CC BY 4.0 (cropped)
- Related lab (Kawabe Lab): “Wind Turbines ^ Solar Panels at Upper Holton Wind ^ Solar Farm - geograph.org.uk - 4618332” Geographer / CC BY-SA 2.0 (cropped)
- Related lab (Miyamoto Lab): “Fluorescence in calcite” Jan Pavelka / CC BY-SA 4.0 (cropped)
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