1. Institute of Lighting and Energy Photonics, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan
2. International Center for Materials Nanoarchitectonics, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
3. Institute of Imaging and Biomedical Photonics, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan
4. Institute of Photonic System, College of Photonics, National Chiao Tung University, 301 Gaofa Third Road, Tainan 71150, Taiwan
5. Department of Photonics, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
6. Department of Mechanical and Mechatronic Engineering, Institute of Optoelectronic Sciences, and Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan
7. Department of Condensed Matter Physics, Hokkaido University, Sapporo, Hokkaido 060-0810, Japan