Simon Gerber¹, Martin Huppert¹, Stefan Neppl¹, Sven Reiche⁸, Thomas Schietinger⁸, Neil Thompson^9,10, Alexandre Trisorio¹, Carlo Vicario¹, Alexander Zholents¹¹, and Eduard Prat^8,*

• ¹PSI Center for Photon Science, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
• ²Laboratory for Solid State Physics and Quantum Center, ETH Zurich, 8093 Zurich, Switzerland
• ³Institute of Physics, EPF Lausanne, 1015 Lausanne, Switzerland
• ⁴Department of Electrical and Computer Engineering, University of California Los Angeles, Los Angeles, California 90095, USA
• ⁵SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California 94025, USA
• ⁶Physics and Astronomy Department, University of California Los Angeles, Los Angeles, California 90095, USA
• ⁷California NanoSystems Institute, Los Angeles, California 90095, USA
• ⁸PSI Center for Accelerator Science and Engineering, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland
• ⁹ASTeC, STFC Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
• ¹⁰Cockcroft Institute, Warrington, WA4 4AD, United Kingdom
• ¹¹Argonne National Laboratory, Lemont, Illinois 60439, USA

• ^*Contact author: eduard.prat@psi.ch