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(Bloomberg) -- Japan's trade minister pledged the government will hike its financial support for chipmaker Rapidus Corp. as it works to develop cutting-edge semiconductors, arguing domestic production of such components is essential for the country to excel in artificial intelligence and autonomous driving. Former trade minister Akira Amari told Bloomberg in January that Japan lost its edge because individual companies made development choices independently and the government failed to work well with the US administration of the time. [Extracted from the article]

The article reports on the demonstration of the first true green laser diode develop by Sumitomo Electric Industries Ltd. in Japan. It states that the researchers from the company discovered a way to combat quantum-well effects which limit the lasing wavelength. It notes that the laser diode operates at 531 nanometer (nm) and more suitable for red-green-blue (RGB) displays.

Reports on the room temperature deep-ultraviolet lasing of an optically pumped aluminum gallium nitride multiple-quantum well laser reported by Kogakuin University in Tokyo, Japan scientists. Emission capacity of the laser when pumped with pulsed 193-nm light from an argon fluoride excimer laser; Short-wavelength performance of the device.

Reports on the discovery of researchers at the University of Tokyo's Research Center of Advanced Science and Technology of a new approach to building multiple quantum wells using silicon germanium (SiGe) epitaxial layers. Finding that an energy-band configuration known as neighboring confinement structure (NCS) increases the intensity of light emitted from SiGe structures; Description of the process.