Author Affiliations

Daniel D. Hickstein,¹ David E. Couch,^2,* Matthew S. Kirchner,^1,3 Scott R. Domingue,^1,3 Jessica J. Ramirez,^1,3 G. Barney Ellison,⁴ Nicole J. Labbe,⁵ Brennan Peterson,¹ Margaret M. Murnane,^1,2 Sterling J. Backus,^1,3,6 and Henry C. Kapteyn^1,2

¹KMLabs, Kapteyn-Murnane Laboratories Inc., 4775 Walnut St., Suite 102, Boulder, Colorado, U.S.A.

²JILA, University of Colorado Department of Physics and NIST, 440 UCB, Boulder, Colorado U.S.A.

³Thorlabs Laser Division, 4775 Walnut St., Suite 102, Boulder, CO, U.S.A.

⁴Department of Chemistry, University of Colorado, 215 UCB, Boulder, CO, U.S.A.

⁵Department of Mechanical Engineering, UCB 427, Boulder, CO, U.S.A.

⁶Colorado State University, Electrical and Computer Engineering, Ft. Collins, CO, U.S.A.

^*Corresponding author: danhickstein@gmail.com