Photonic nanostructures: toward a smart Society 5.0

If we could freely manipulate light, which is used in various fields, it would lead to revolutionary advancements in both technology and our daily lives. To achieve this, we are conducting research on photonic nanostructures for light control. We design and explore nanostructures with optical properties tailored to specific applications, and then fabricate them to precisely control light. For example, we are developing a new light source ̶ a photonic crystal laser ̶ capable of emitting high-power, collimated laser beams or even targeted beam patterns from a single semiconductor chip, a world-leading innovation. The results of our research can be applied in various fields, such as remote sensing for self-driving cars and robots, optical sensing and communication in underwater and space environments, and laser processing. These technologies are expected to become key foundational elements supporting the forthcoming smart Society.

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