1. Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
2. Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, Utah 84322, United States
3. School of Science, RMIT University Melbourne, Victoria 3001, Australia