Schedule 4 2:15 PM - 2:30 PM [LEDIA-7-03] Optically Pumped Single-Mode Lasing Action in Cesium Lead Halide Perovskite Individual Microspheres *Chun-Sheng Wu1, Bo-Lun Jian1, Hsu-Cheng Hsu1 (1. National Cheng Kung University)