1. Department of Materials Science and Engineering, National Yang Ming Chiao Tung University (NYCU), Hsinchu, Taiwan
2. International College of Semiconductor Technology, National Yang Ming Chiao Tung University (NYCU), Hsinchu, Taiwan
3. College of Photonics, National Yang Ming Chiao Tung University, Tainan, Taiwan
4. Institute of Microengineering and Nanoelectronics (IMEN), University Kebangsaan Malaysia, Bangi, Malaysia
5. Department of Photonics and the Institute of Electro-Optical Engineering, National Yang Ming Chiao Tung University (NYCU), Hsinchu, Taiwan
6. Department of Electrical Engineering, Yuan Ze University, Taoyuan, Taiwan
7. Department of Materials Science and Engineering, International College of Semiconductor Technology, National Yang Ming Chiao Tung University (NYCU), Hsinchu, Taiwan