In collaboration with the Kyoto University Institute for Advanced Study, Tokyo-based Asahi Kasei Microdevices Corp (AKM, a member of the Asahi Kasei Group’s Material sector) has achieved laser oscillation in a 2μm-band infrared photonic crystal surface-emitting laser (PCSEL). This should enable the miniaturization of next-generation sensing systems while maintaining PCSEL’s high directionality and narrow spectral bandwidth, the firm adds...
Source: https://www.semiconductor-today.com/new ... 0426.shtml