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Shi Lab
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A lab that designs low-power, failure-resistant large-scale integrated circuits (LSI).
AboutAbout the lab
Low-power circuits that resist failure
Shi Lab is an integrated systems lab aiming for low power consumption and high reliability in large-scale integrated circuits (LSI).
To reduce the power consumption and heat generation of electronic devices, the lab works on low-power and low-voltage circuit techniques.
To cope with variability in transistor characteristics that comes with miniaturization, it also studies the design of circuits with self-adjusting and self-repairing functions.
The lab also researches energy harvesting circuits, which convert ambient energy such as heat, vibration, and light into electricity.
Key terms
- LSI
- Many electronic circuits integrated onto a single semiconductor chip
- Low-voltage circuit
- An electronic circuit that reduces power consumption by operating at a lower voltage
- Energy harvesting
- Technology that collects small amounts of ambient energy such as heat, vibration, and light and converts it into electricity
ResearchResearch themes
Shi Lab specializes in integrated systems and researches design techniques for LSI circuits that combine low power consumption with high reliability. It approaches this from two sides: green computing, which aims for energy saving, and dependable design, which improves circuit reliability.
*Illustrative imageLow-power circuit design
As electronic devices become higher-performing, the power consumption and heat generation of their circuits increase. The lab researches how to realize low-power circuits, for example by supplying clocks and power only to the elements that need them.
*Illustrative imageLow-voltage circuit design
Lowering the supply voltage of an LSI greatly reduces power consumption, but makes circuit operation more prone to instability. This research works toward ultra-low-voltage circuits with high reliability.
*Illustrative imageEnergy harvesting circuits
This is technology that collects ambient energy such as heat, vibration, light, and radio waves and converts it into electricity. The lab works on circuits that generate power from the movement of people and objects, and on the design of stable power supply systems.
*Illustrative imageSelf-adjusting and self-repairing LSI technology
As integrated circuits are miniaturized further, transistor characteristics vary and reliability drops. The lab researches the design of resilient LSI circuits with self-adjusting and self-repairing functions.
MembersFaculty
Shi Lab's members consist of faculty and students in the doctoral, master's, and undergraduate programs.As of 2026
- ProfessorYohua Shi
VoicesStudent voices
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RelatedLabs similar to Shi Lab
Kawamura LabSchool of Fundamental Science and Engineering, Department of Electronic and Physical SystemsIntelligent processing systems
Morimoto LabSchool of Fundamental Science and Engineering, Department of Electronic and Physical SystemsMEMS and microsystems
Kawanishi LabSchool of Fundamental Science and Engineering, Department of Electronic and Physical SystemsOptical-wireless convergence systems, terahertz-wave communi…
Uchino LabSchool of Fundamental Science and Engineering, Department of Electronic and Physical SystemsTheoretical physics, quantum many-body systemsThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
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: “AMD@7nm@RDNA 1th gen@Navi10@Radeon RX 5700 XT@ @ DSCx2@NIR - Flickr - FritzchensFritz” Fritzchens Fritz / CC0 (cropped)
- Low-power circuit design: “Fittonia gigantea leaf veins macro” SebastianBlumeArt / CC BY-SA 4.0 (cropped)
- Low-voltage circuit design: “Stone Balancing Sunset” Saffron Blaze / CC BY-SA 3.0 (cropped)
- Energy harvesting circuits: “Malla del atrapaniebla del parque Pan de Azúcar” Celinea33 / CC BY-SA 4.0 (cropped)
- Self-adjusting and self-repairing LSI technology: “Wound on a birch trunk by Myrstigen” W.carter / CC BY-SA 4.0 (cropped)
- Related lab (Kawamura Lab): “Artificial Neural Network with Chip” mikemacmarketing / photo on flickr / CC BY 2.0 (cropped)
- Related lab (Morimoto Lab): “Myogenesis - ISRO (jsc2025e039327)” NASA Johnson Space Center / Public domain (cropped)
- Related lab (Kawanishi Lab): “Antenna of Airport Surveillance Radar” FBuHL09 / CC BY-SA 4.0 (cropped)
- Related lab (Uchino Lab): “Cold atoms experiment 04” Tomasz Kawalec / CC BY-SA 4.0 (cropped)
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