Author Affiliations

F. Marsili,^1,* V. B. Verma,¹ J. A. Stern,² S. Harrington,¹ A. E. Lita,¹ T. Gerrits,¹ I. Vayshenker,¹ B. Baek,¹ M. D. Shaw,² A. J. Miller,³ R. P. Mirin,¹ and S. W. Nam¹

¹National Institute of Standards and Technology, 325 Broadway, MC 815.04, Boulder, CO 80305, USA

²Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Dr., Pasadena, California 91109, USA

³Department of Physics, Albion College, 611 E. Porter St., Albion, MI 49224, USA

^*Corresponding author: francesco.marsili@nist.gov