Schedule 7 3:30 PM - 4:00 PM [LEDIA-LDC-JS-2-01] Development of Semiconductors Intra-center Photonics; Manipulation of Eu luminescence in Eu-doped GaN by Control of Photon Fields *Yasufumi FUJIWARA1, Keishi Shiomi1, Yutaka Sasaki1, Tomohiro Inaba1, Shuhei Ichikawa1, Jun Tatebayashi1 (1. Osaka University)