*Hiroaki Furuse¹, Koji Morita², Tohru Suzuki², Byung-Nam Kim² (1. Kitami Institute of Technology, 2. National Institute for Materials Science)

*Ryoichi Sakata¹, Menaka De Zoysa¹, Kenji Ishizaki¹, Takuya Inoue¹, Susumu Noda^1,2 (1. Photonics and Electronics Science and Engineering Center, Kyoto University, 2. Department of Electronic Science and Engineering, Kyoto University)

*Naoya Kuse¹ (1. Institute of Post-LED Photonics, Tokushima University)