1. Wuhan National Laboratory for Optoelectronics (WNLO)
2. School of Optical and Electronic Information
3. Huazhong University of Science and Technology
4. Wuhan 430074
5. China
6. The State Key Laboratory of Refractories and Metallurgy
7. Wuhan University of Science and Technology
8. Wuhan 430081
9. Department of Physics and Materials Science
10. City University of Hong Kong
11. Kowloon