Breakthrough in PCSEL Optical Sensing Technology by Asahi Kasei Microdevices
TOKYO – April 9, 2026 – Asahi Kasei Microdevices Corporation (AKM), in collaboration with the Kyoto University Institute for Advanced Study, has successfully achieved laser oscillation in a 2 µm-band infrared photonic crystal surface-emitting laser (PCSEL). This milestone will enable the miniaturization of next-generation sensing systems while maintaining PCSEL“s high directionality and narrow spectral bandwidth. PCSEL technology, first developed in the early 2000s, was invented by a research team at Kyoto University led by Professor Susumu Noda. Compared to conventional lasers, it offers higher functionality in a compact device. In…
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