Author Affiliations

Eugene Tsao,^1,2,* Alex Lind,^1,3 Peter Chang,^1,3 Connor Fredrick,^1,3 Nazanin Hoghooghi,^1,4 Franklyn Quinlan,^1,3 and Scott Diddams^1,2,3

¹Time and Frequency Division, NIST, 325 Broadway, Boulder, CO 80305, USA

²Dept. of Elec., Comp., and Energy Engineering, U. of Colorado Boulder, 425 UCB, Boulder, CO 80309, USA

³Dept. of Physics, U. of Colorado Boulder, 440 UCB, Boulder, CO 80309, USA

⁴Dept. of Mech. Engineering, U. of Colorado Boulder, 427 UCB, Boulder, CO 80309, USA

^*Corresponding author: eugene.tsao@nist.gov