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610 labs · 150 student voices
Masahiro Watanabe, Associate Professor
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The Watanabe Lab studies high-performance information-processing devices based on new physics enabled by nanotechnology. The lab also aims to realize lasers built on silicon that can be integrated together with optical and electronic components. The key is structures that control different materials, namely metals, insulators, and semiconductors, at nanometer dimensions with atomic-level junctions in mind. The lab investigates how electrons are transported in these structures and how they interact with light, and clarifies the principles and structures of devices that can reach their ultimate performance limits.
Shun'Ichiro Ohmi, Associate Professor
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The Ohmi Lab studies transistors with new structures. The electronic devices around us are built by integrating a very large number of transistors made of silicon. Using thin films of high-k and ferroelectric materials, the lab creates extremely small silicon devices, flexible organic semiconductor devices, and memory that retains data even when the power is turned off.
Kuniyuki Kakushima, Associate Professor
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The Kakushima Lab researches the fabrication of semiconductor devices with high performance and low power consumption. Semiconductor devices have operated by exploiting the properties of interfaces where different kinds of materials meet. The lab devises processes that bring out the full inherent function of those interfaces, and builds prototype devices to verify them. The devices it handles are power devices, which convert electric power efficiently, and solar cells with higher conversion efficiency.
Takahiro Aoyagi, Associate Professor
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The Aoyagi Lab studies electromagnetic compatibility (EMC), as well as radio wave propagation and wireless communication. The lab also investigates how radio waves propagate around and inside the human body, and conducts research aimed at healthcare and medical applications. It also works on education in electrical and electronic engineering that incorporates elements of art. The lab belongs to the wave and communications group in electrical and electronic engineering, and collaborates with labs in the Department of Transdisciplinary Science and Engineering.
Yuya Shoji, Associate Professor
0 student voices
The Shoji Lab studies photonic integrated circuits, which combine optical circuits on a single chip. Aiming for new functions and high performance not seen before, the lab works on research related to photonics and spintronics. Using the magneto-optical effect, the lab builds devices such as optical isolators, optical switches, and circuits that perform AI computation with light.
Hiroyuki Uenohara, Professor
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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.
Fumio Koyama, Project Professor
0 student voices
The Koyama Lab studies photonic integrated devices for optical communication networks and sensing systems. At the center of its work is the vertical-cavity surface-emitting laser (VCSEL), which emits light vertically from the surface of a semiconductor. The lab has worked on putting VCSELs to practical use, improving their performance, and applying them to optical communications and sensing. The lab forms a research group with the Uenohara Lab and the Miyamoto Lab, and shares laboratories and experimental equipment as needed.
Shinsuke Miyajima, Associate Professor
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The Miyajima Lab studies materials and devices that convert light into electricity, and devices that use them. It works on materials for receivers in optical wireless power transmission, which sends power using blue light, sputtering technology that is gentle on substrates, copper oxide materials, and more. The lab also puts effort into fundamental research on forming thin films by sputtering. The former Yamada Group continues research on chalcopyrite-based materials used in thin-film solar cells.
Akitoshi Okino, Professor
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The Okino Lab develops new atmospheric-pressure plasma devices and studies their use in a wide range of fields. It designs and develops diverse plasma devices, from low to high temperature and from small to large, and investigates their properties. The devices are applied in fields such as medicine, dentistry, analysis, life sciences, materials, the environment, and energy. The lab carries out its research in collaboration with the university's School of Medicine and School of Dentistry, as well as many universities, research institutes, and companies in Japan and abroad.
Haruhiko Ito, Associate Professor
0 student voices
The Haruhiko Ito Lab studies "atom photonics," which manipulates atoms with light. Its goal is to control atoms with light to create materials with nanometer-scale dimensions. Because ordinary light cannot be focused finely enough, the lab uses "near-field light," which can be confined to the nanoscale, to manipulate gaseous atoms. The lab designs and builds its own experimental apparatus to suit each research theme.
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