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Suzuki Lab
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The lab explores quantum information through theoretical physics and statistics.
AboutAbout the lab
Understanding quantum information in the language of mathematics.
The Suzuki Lab studies a variety of problems, centered on theoretical physics, quantum information theory, and mathematical statistics.
The lab works on quantum information theory, quantum estimation theory, and quantum information geometry, aiming to move from fundamental theoretical research to applications that can be verified in experiments.
Research is centered on analysis with pen and paper, with numerical computation on computers when necessary.
A page explaining lab assignment for graduation research in Reiwa 8 (FY2026) is available.
Key terms
- Quantum estimation theory
- A theory that considers the problem of statistical inference in the quantum world. It investigates which measurements are best and where the limit of the error lies.
- Quantum information geometry
- A field that studies the geometric structure of manifolds whose elements are quantum states. It is the quantum version of information geometry, which deals with probability distributions.
- Bose-Einstein condensate
- One kind of state called a macroscopic quantum state.
ResearchResearch themes
The lab works on quantum information theory and quantum estimation theory, aiming from the standpoint of physics to build a bridge between mathematics, which underlies the theory, and engineering, its application. The goal is to model natural phenomena in the language of mathematics, understand them through analysis, and discover new phenomena.
*Illustrative imageTheory of quantum devices using atoms and light
A quantum computer is built by assembling a huge number of quantum devices. The lab conducts theoretical research on quantum devices that use physical systems of atoms and light, and with collaborators it proposes methods to control quantum states accurately while preserving them for a long time, and examines whether these methods are feasible.
*Illustrative imageLimits of quantum state estimation
The lab investigates which measurements are best for estimating a given quantum state more accurately, and what the theoretical limit of the estimation error is when that measurement is used. It also works on the estimation of quantum channels and on estimation in the presence of quantum noise.
*Illustrative imageQuantum information geometry
Information geometry studies the geometry of manifolds whose elements are probability distributions; quantum information geometry studies manifolds whose elements are quantum states. The non-commutativity of states makes the structure more complicated, and many points remain unclear, including its relationship with the theory of statistical estimation for quantum systems.
*Illustrative imageFoundations of quantum mechanics and quantum properties of matter
The lab studies phenomena specific to quantum mechanics, such as quantum interference, quantum correlations, and quantum measurement. It also investigates the properties of Bose-Einstein condensates, and aims to use them to simulate relativistic phenomena in an analog manner.
MembersFaculty
The members of the Suzuki Lab are faculty members, doctoral, master's, and undergraduate students, and research students.As of 2026
- Associate ProfessorJun Suzuki
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: “Quantum Cats ( )” National Institute of Standards and Technology / Public domain (cropped)
- Theory of quantum devices using atoms and light: “Cloud of ultracold atoms levitated in a magneto-optical trap” Balping / CC BY-SA 4.0 (cropped)
- Limits of quantum state estimation: “Z1z2z3z4z5 parity measurement circuit” Vtomole / CC BY-SA 4.0 (cropped)
- Quantum information geometry: “Differential geometry of manifolds of figures 1995 cover” 作者不詳 / Public domain (cropped)
- Foundations of quantum mechanics and quantum properties of matter: “Bose-Einstein Condensate ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Ogawa Lab): “Optical fiber cable-10ASD” Asurnipal / CC BY-SA 4.0 (cropped)
- Related lab (Ohama-Santoso Lab): “NASA secure communication console at National Cryptologic Museum.agr” ArnoldReinhold / CC BY-SA 4.0 (cropped)
- Related lab (Sakiyama-Li-Miyahara Lab): “Smart-Card-Chip back” jailbird / CC BY-SA 3.0 de (cropped)
- Related lab (Yagi Lab): “Conv code 177 133” Kirlf / CC BY-SA 4.0 (cropped)
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