1. Department of Photonics, College of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
2. Semiconductor Research Center, Hon Hai Research Institute, Taipei 11492, Taiwan
3. Department of Electrophysics, College of Science, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
4. SynthEdge Advanced Materials Corp. Ltd., Taoyuan 32742, Taiwan
5. Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei 10617, Taiwan