1. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), Singapore 117602, Faculty of Materials, Optoelectronics and Physical Science and Key Laboratory of Low-Dimensional Materials and Application Technologies (Xiangtan University), Ministry of Education, Changsha 411105, China, Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of...