1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province
2. College of Optoelectronic Engineering
3. Shenzhen University
4. Shenzhen 518060
5. P. R. China
6. Department of Electrical and Electronic Engineering
7. Southern University of Science and Technology
8. Shenzhen
9. Department of Applied Biology and Chemical Technology
10. The Hong Kong Polytechnic University
11. Hung Hom
12. Hong Kong