*Takeo Minamikawa1,2,3,4, Takeshi Yasui1,2,3
(1. Institute of Post-LED Photonics, Tokushima University, 2. Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 3. ERATO Intelligent Optical Synthesizer Project, Japan Science and Technology Agency (JST), 4. PRESTO, Japan Science and Technology Agency (JST))