1. Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, California90089, United States
2. Mork Family Department of Chemical Engineering and Materials Science, University of Southern California, Los Angeles, California90089, United States
3. State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing100083, China
4. Department of Aerospace and Mechanical Engineering, University of Southern California, Los Angeles, California90089, United States
5. Collaborative Innovation Center for Information Technology in Biological and Medical Physics, and College of Science, Zhejiang University of Technology, Hangzhou310023, P. R. China