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15 labs · 6 student voices
Other departments in School of Advanced Science and Engineering ›Faculties at Waseda University ›

Tohru Ozawa
1 student voices
The Ozawa Lab studies the laws that govern physical phenomena, uncovering them rigorously in the language of mathematics. The lab mathematically proves whether solutions exist for the equations that describe quantum mechanics, plasma, and fluid motion. In mathematical physics, the field where physics and mathematics intersect, the lab aims to open up new areas of mathematics and physics.

Tomohiro Kita, Professor
1 student voices
The Kita Lab researches silicon photonics, which integrates optical devices on silicon chips. The lab works on developing compact, low-power optical devices that support optical communication over optical fiber. The integrated optical devices it develops are expected to be applied not only to communications but also to medical applications and environmental sensing.

Hideyuki Sawada, Professor
1 student voices
The Sawada Lab studies technologies that allow humans and machines to work in harmony, such as robots and tactile sensors. Its research themes are wide-ranging, including image information processing, music and multimedia, tactile information processing, and neural networks. The lab is also affiliated with the Humanoid Robotics Institute at Waseda University, where it has studied the visual systems and affective interfaces of humanoid robots. It aims to realize an environment in which human intellect, emotion, and will are in harmony with machine systems.

Yuka Tabe, Professor
1 student voices
Tabe Lab studies the structure and motion of liquid crystals, a type of material. Its main research subject is the "two-dimensional liquid crystal," a layer only one to a few molecules thick, measuring a few nanometers. Using a polarizing microscope, the lab carries out experiments while directly observing the motion of liquid crystal molecules by eye. The lab also works on applying the collective motion of liquid crystals to energy conversion and the life sciences.

Tsuyoshi Hasegawa, Professor
1 student voices
Hasegawa Lab researches the development of brain-like computers that become smarter on their own. The lab builds "brain-inspired devices (atomic switches)" that use the mechanism by which ions move within a material and cause redox reactions. It also searches for new physicochemical phenomena that occur on the surface and inside of solids, and works to clarify their mechanisms. The lab also carries out research and development toward familiar applications, such as image processing and the processing of sound and light signals.

Masahito Mochizuki, Professor
1 student voices
The Mochizuki Lab theoretically studies the physical phenomena exhibited by a wide range of materials, including magnets, ferroelectrics, metals, and superconductors. The lab focuses on the entanglement of spin, charge, orbital, and lattice degrees of freedom, which arises from strong interactions between electrons. Using models based on quantum mechanics, the lab analyzes phase transitions and nonequilibrium phenomena that occur as these degrees of freedom compete and cooperate with one another. In collaboration with experimental labs, the lab aims to understand, predict, and control the properties of materials.

Takao Aoki, Professor
0 student voices
The Aoki Lab combines quantum optics as a branch of physics with the development of nanophotonic devices as applied physics. At its core is research on cavity QED, which consists of light confined in an optical cavity and atoms interacting with it. The lab has independently developed cavities that use optical fibers thinner than the wavelength of light (nanofibers), and couples them to atoms that have been cooled and trapped with lasers. By pioneering techniques to generate, measure, and manipulate quantum states to the extreme, the lab aims at applications in quantum information and quantum metrology.

Jun Kataoka, Professor
0 student voices
The Kataoka Lab develops its own highly sensitive cameras that detect X-rays and gamma rays, and applies them to both astronomical observation and medicine. Rare metals such as gold and platinum are thought to be produced in explosive events such as neutron star mergers, which are believed to emit characteristic line X-rays and gamma rays. The lab aims to detect this light from space by mounting the cameras it has developed on ultra-small satellites weighing several tens of kilograms. The lab also brings the same technology into medicine, working on methods to observe from outside the body how drugs move inside it.

Shigeaki Koike, Professor
0 student voices
The Koike Lab studies, from a mathematical standpoint, the partial differential equations that describe natural phenomena and engineering problems. In many cases the solutions cannot be written as explicit formulas, so the lab first finds a "solution in a weak sense" and then shows that it is a true solution. Equations that arise in engineering and optimal control are called fully nonlinear, and a type of weak solution called a viscosity solution is used for this class. The current focus is regularity theory, which investigates how smooth those viscosity solutions are.

Atsushi Tackeuchi, Professor
0 student voices
The Tackeuchi Lab investigates the various ultrafast phenomena that occur in semiconductor quantum structures and explores their applications. The lab works on timescales from the picosecond (one trillionth of a second) to the femtosecond (one quadrillionth of a second), the shortest timescales humans can reach. By irradiating semiconductors with extremely short light pulses from specialized lasers, the lab tracks how electrons behave inside them. It aims to clarify the physics needed to make devices such as transistors and lasers even faster, and to connect that understanding to applications.
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