1. Shenzhen Engineering
Laboratory of Phosphorene and Optoelectronics, Collaborative Innovation
Center for Optoelectronic Science and Technology, Shenzhen 518060,
China Key Laboratory of Optoelectronic Devices and Systems of Ministry
of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
2. Faculty of Information Technology, Macau University of Science and Technology, Macao 519020, SAR, People’s Republic of China