1. Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics; SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province; College of Optoelectronic Engineering; Shenzhen University; Shenzhen 518060 China
2. Institute of Communication Engineering; PLA University of Science and Technology; Nanjing 210007 China
3. College of Information Engineering and Shenzhen Key Lab of Communication and Information Processing; Shenzhen University; Shenzhen 518060 China
4. State Key Laboratory on Electronic Thin Film and Integrated Devices; School of Optoelectronic Information; University of Electronic Science and Technology of China; Chengdu 610054 China