Author Affiliations

Houkun Liang,¹ Peter Krogen,¹ Darshana Weerawarne,² Chien-Jen Lai,¹ Rostislav Grynko,² Bonggu Shim,² Franz X. Kärtner,^1,3,4 and Kyung-Han Hong^1,*

¹Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology (MIT), Cambridge, Massachusetts 02139, USA

²Dept. of Physics, Applied Physics & Astronomy, Binghamton University, State University of New York, Binghamton, New York 13902, USA

³Center for Free-Electron Laser Science, DESY and Department of Physics, University of Hamburg, Hamburg, Germany

⁴The Hamburg Center for Ultrafast Imaging, Luruper Chaussee 149, 22761 Hamburg, Germany

^*Corresponding author: kyunghan@mit.edu