Author Affiliations

Tsung-Han Wu,^1,2,* Luis Ledezma,^3,4 Connor Fredrick,^1,2 Pooja Sekhar,^1,2 Ryoto Sekine,³ Qiushi Guo,³ Ryan Briggs,⁴ Alireza Marandi,³ and Scott A. Diddams^1,2,5

¹National Institute of Standards and Technology, Boulder, Colorado 80305, USA

²Department of Physics, University of Colorado, Boulder, Colorado 80309, USA

³Department of Electrical Engineering, California Institute of Technology, Pasadena, California 91125, USA

⁴Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA

⁵Electrical, Computer and Energy Engineering, University of Colorado, Boulder, Colorado 80309, USA

^*Corresponding author: tsunghan.wu@nist.gov