1. International College of Semiconductor Technology, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
2. Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu, Taiwan
3. National Applied Research Laboratories, Taiwan Instrument Research Institute, Hsinchu, Taiwan
4. Taiwan Semiconductor Manufacturing Company (TSMC), Hsinchu, Taiwan
5. Department of Photonics, National Yang Ming Chiao Tung University, Hsinchu, Taiwan