1. Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang 621900, China
2. Key Laboratory of Optoelectronic Technology and Systems of the Education Ministry of China, College of Optoelectronic Engineering, Chongqing University, Chongqing 400044, China
3. State Key Laboratory of Coal Mine Disaster Dynamic and Control, Chongqing University, Chongqing 400044, China
4. School of Integrated Circuits, Huazhong University of Science and Technology, Wuhan 430074, China