Institute of Post-LED Photonics, Tokushima University

Messege from CRO

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Messege from CRO

Pioneering the Future with the Potential of Light YASUI Takeshi, CRO Institute of Post-LED Photonics, Tokushima University

The 21st century is often referred to as the century of light. LED, laser, and semiconductor laser technologies have been developed since 1960s, being now indispensable for our everyday life. One well-known example is blue and white LEDs, which causes "disruptive innovations". They are widely used for lighting and display.

Light covers a very wide range of optical spectrum from deep ultraviolet to terahertz. Nevertheless, we use a veiy limited wavelength, i.e. visible light. By fully utilizing the full optical spectrum, including deep ultraviolet, infrared, and terahertz, we will have a lot of unique applications, which are impossible for visible light. However, due to the lack of practical light sources, the wavelengths are still "unexplored". The development of new practical light sources in the wavelengths will give us a new paradigm in our everyday life. Under the motto, "Development and application of invisible next-generation light (deep ultraviolet, infrared, and terahertz)," we are pushing the researches for aging societies and boosting local industrial economies, so called "post-LED photonics research".

YASUI Takeshi, CRO
Institute of Post-LED Photonics,
Tokushima University