1. United States Military Academy, West Point, NY 10996, USA
2. Department of Applied Physics, Stanford University, Stanford, California 94305, USA
3. SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
4. Department of Entrepreneurship, Innovation, and Strategy, Tsinghua University, Beijing, China
5. Department of Mechanical Engineering, Stanford University, Stanford, California, 94305, USA
6. Stanford PULSE Institute, SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
7. Department of Physics and Astronomy, University of Nebraska-Lincoln, Lincoln, Nebraska 68588, USA