1. Department of Photonics, National Cheng Kung University, Tainan 70101, Taiwan
2. Advanced Optoelectronic Technology Center, Research Center for Energy Technology and Strategy, National Cheng Kung University, Tainan 70101, Taiwan
3. Institute of Microelectronics and Department of Electrical Engineering, National Cheng Kung University, Tainan 70101, Taiwan
4. Institute of Lighting and Energy Photonics, College of Photonics, National Yang Ming Chiao Tung University, Tainan 71150, Taiwan
5. Integrated Service Technology Inc., Hsinchu 30078, Taiwan