Author Affiliations

Heng Li,^1,3,4 Li-Jin Chen,⁵ Haynes Pak Hay Cheng,⁵ Justin E. May,⁴ Steve Smith,⁴ Kerstin Muehlig,⁴ Akshaya Uttamadoss,^4,6 Josef C. Frisch,⁴ Alan R. Fry,⁴ Franz X. Kärtner,^7,8 and Philip H. Bucksbaum^1,2,3,4

¹Stanford PULSE Institute, 2575 Sand Hill Road, Menlo Park, CA, USA

²Department of Physics, Stanford University, Stanford, CA 94305, USA

³Department of Applied Physics, Stanford University, Stanford, CA 94305, USA

⁴SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA

⁵Idesta Quantum Electronics, LLC., 56 Sparta Avenue, Newton, NJ 07860, USA

⁶Department of Electrical Engineering, Princeton University, Princeton, NJ 08544, USA

⁷Department of Electrical Engineering and Computer Science, and Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA

⁸Center for Free-Electron Laser Science, DESY, and Physics Department, University of Hamburg, Luruper Chausee 149, 22559 Hamburg, Germany