Author Affiliations

E.A. Goldschmidt,^1,2,† S.V. Polyakov,^1,2 S.E. Beavan,^1,3 J. Fan,^1,2 and A.L. Migdall^1,2

¹Optical Technology Division, National Institute Standards and Technology, 100 Bureau Drive, Gaithersburg, Maryland 20899, USA

²Joint Quantum Institute, University of Maryland, College Park, Maryland 20742, USA

³Laser Physics Centre, RSPhysSE, Australian National University, Canberra, ACT 0200, Australia

^*Contribution of NIST, an agency of the US Government, not subject to copyright

^† elizabeth.goldschmidt@nist.gov