1. Ming Hsieh Department of Electrical Engineering, University of Southern California, Los Angeles, California 90089, United States
2. Department
of Electrical Engineering, Yale University, New Haven, Connecticut 06511, United States
3. Department of Electrical & Computer Engineering, University of Massachusetts, Amherst, Massachusetts 01003, United States
4. Sensors and Electron Devices Directorate, US Army Research Laboratory, Adelphi, Maryland 20723, United States
5. IBM T. J. Watson Research
Center, Yorktown Heights, New
York 10598, United States