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Other departments in School of Informatics and Engineering ›Faculties at The University of Electro-Communications ›

Hideaki Nagamatsu, Tenure-Track Assistant Professor
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The Nagamatsu Lab studies manufacturing and processing, with metal 3D printing as its core theme. This technology builds products directly by stacking molten metal in three dimensions. It requires no mold preparation and may reduce material waste. The lab develops new forming techniques and evaluates the microstructure and strength properties of the materials it produces, aiming to create high-value-added processing technologies. The lab invites students interested in a wide range of activities, including equipment design, machining with machine tools, and evaluation of material properties, to join the work.

Yuri Shinohara, Associate Professor
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The Shinohara Lab uses crystallography and electron microscopy to study how the microstructure of metals forms and where the properties of materials come from. Metallic materials may seem to have been studied exhaustively, but much remains unknown, including the mechanisms by which microstructures form. The lab specializes in physical metallurgy and crystallography, and was newly launched in October 2023. It works on materials such as biomedical titanium alloys and the martensitic microstructure of steel.

Hironobu Yuki, Associate Professor
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The Yuki Lab studies acoustic emission (AE) and educational support systems for design and drafting. AE is a phenomenon in which elastic waves are generated when a sudden change occurs in a solid, such as when a crack forms. The snap you hear when breaking disposable chopsticks is also a kind of AE. The AE method measures AE to examine its magnitude and frequency of occurrence, or analyzes its waveforms, in order to learn how things break and where damage is located. In its other main area of research, the lab develops computer-based active exercise systems that help students build the ability to visualize the motion of mechanisms and to read and produce drawings.

Yasunori Yusa, Associate Professor
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The Yusa Lab studies simulation techniques that use computers to reproduce the solid mechanics problems that arise from the time a machine is designed and manufactured, through aging, until it fails. The lab develops new computational methods for problems involving large deformation, problems in which heat conduction causes deformation, problems involving holes or cracks, and problems that require parallel computing or speedup. The lab was founded at the University of Electro-Communications in October 2019 and accepts students from the Department of Mechanical and Intelligent Systems Engineering and from the School of Informatics and Engineering, Class III (Science and Engineering).

Kali Prasanna Nayak, Associate Professor
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The Nayak Lab studies quantum interactions between light and matter using optical fibers with a waist thinner than the wavelength of light (nanofibers). The lab works on developing a quantum interface between photons guided in the fiber and single atoms trapped by laser cooling. The lab aims to build a foundation for quantum photonics assembled entirely from optical fibers, so that it can be used as a component of quantum processors and in a form that connects easily to quantum networks. Lab visits are accepted at any time, and inquiries can also be made in Japanese.

Kenichi Nakagawa, Professor
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The Nakagawa Lab studies laser cooling and trapping techniques, which use laser light to control the motion of atoms, and the application of the resulting cold atoms to quantum technologies. Quantum technologies seek to overcome the limits of conventional technologies by exploiting the distinctive properties of quantum mechanics; examples include quantum cryptography, quantum computing, and quantum sensors. Laser-cooled atoms at temperatures below 100 μK show pronounced quantum-mechanical properties, so the lab studies quantum simulators and quantum inertial sensors that use them.

Jin Nakamura, Professor
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The Jin Nakamura Lab is a condensed matter physics lab that experimentally investigates the properties of materials, focusing on superconductivity and magnetism. The lab studies superconductivity and magnetism realized by implanting various elements and molecules into diamond and graphite. The lab experimentally covers everything from sample preparation to structural and physical-property characterization, and uses external research institutions such as synchrotron radiation facilities to observe electronic states. The lab also studies intermetallic compounds in which localized 4f electrons and itinerant 3d electrons coexist and both contribute to magnetism, and magnetic materials using Mössbauer spectroscopy with unstable nuclei as probes.

Nobuyuki Nakamura, Professor
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The Nobuyuki Nakamura Lab conducts experimental research in atomic physics using highly charged ions. Highly charged ions are ions that carry a large positive charge because many electrons have been removed from the atom by ionization. Using one of the world's leading highly charged ion sources, the lab also carries out joint research with institutions such as the National Institute for Fusion Science and the National Astronomical Observatory of Japan. The lab welcomes visits from students, not only third-year students but also first- and second-year students.

Haruka Tanji, Associate Professor
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The Haruka Tanji Lab conducts experimental research in cavity quantum electrodynamics (Cavity QED), a field in which the quantum-mechanical properties of light appear prominently through interaction with matter. The lab confines laser-cooled gaseous atoms (tens of μK) inside an optical cavity to induce strong interactions between atoms and photons, and its research is based on controlling the quantum states of light and atoms. Through two approaches, developing "quantum light sources" and controlling matter with extremely weak light, the lab aims to create new quantum technologies. Recently, the lab has also begun observing the faint light emitted by living organisms.

Naruo Sasaki, Professor
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The Sasaki Lab (Nanotribology Lab) studies friction from the world of atoms at the nanoscale. Using supercomputers and workstations, the lab investigates atomic-scale friction and the design of environmentally friendly, energy-saving molecular machines through theory and numerical computation. The lab has its sights set on developing artificial molecular machines by assembling biomimetic nanoscale components. The lab says its research is accessible to anyone, whether they like physics, chemistry, biology, or earth science.
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