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Matsumoto Lab
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A lab studying the theory of conveying information, including quantum information and coding theory.
AboutAbout the lab
Approaching the mechanisms of conveying information from theory.
The Matsumoto Lab studies quantum information, coding theory, and information theory.
On the professor's web page, a selection of past papers is published by field, including network coding, algebraic curves, quantum communication, and algebraic coding theory.
The lab's recent research is introduced in a list of papers that can be reached from the lab's page.
Students interested in the lab are directed to the online information session of the Department of Information and Communications Engineering and to individual lab information sessions.
Key terms
- Coding theory
- A field of mathematics that designs how data is represented so that errors occurring during transmission can be detected and corrected
- Network coding
- A transmission method in which intermediate nodes also mix data together before sending it, improving the efficiency of the network as a whole
- Quantum information
- A field that uses quantum-mechanical superposition and entanglement to represent, process, and transmit information
ResearchResearch themes
The lab's research fields are quantum information, coding theory, and information theory. Its past results are organized by field: network coding, algebraic curves, quantum communication, algebraic coding theory, computational mathematics, cryptography, and wireless communication.
*Illustrative imageCodes That Recover Quantum Information from a Part of It
Information in a quantum computer is very fragile, and part of it can be lost. The lab develops "locally recoverable quantum codes," which can recover lost information from just a small nearby part, without re-measuring the whole.
*Illustrative imageProtecting a Quantum Secret by Sharing It
The lab studies "quantum secret sharing," in which important quantum information is divided among several people and can be restored only when a specified number of them come together. It also considers circuits that reconstruct the secret without using measurement, and procedures for starting the sharing in advance.
MembersFaculty
- ProfessorRyutaroh MatsumotoPublications ↗
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-01ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Codes That Recover Quantum Information from a Part of It: “Quantum Computing; Ion Trapping ( )” National Institute of Standards and Technology / Public domain (cropped)
- Protecting a Quantum Secret by Sharing It: “Planar Ion Trap ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (笠井研究室): “Quantum-computer-Chalmers 2017” Anita Fors (Chalmers) / CC BY-SA 4.0 (cropped)
- Related lab (尾形研究室): “Enigma-IMG 0487-black” Rama / CC BY-SA 2.0 fr (cropped)
- Related lab (山田研究室): “SAR Kilauea topo interferogram” JPL / Public domain (cropped)
- Related lab (篠﨑研究室): “Human voice spectrogram” Dvortygirl, Mysid / CC BY-SA 3.0 (cropped)
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