Author Affiliations

Gautam A. Kavuri,^1,2,* Jasper Palfree,^1,2 Yanbao Zhang,³ Joshua C. Bienfang,⁴ Morgan W. Mitchell,⁵ Michael D. Mazurek,^1,2 Martin J. Stevens,¹ Emanuel Knill,¹ Richard P. Mirin,¹ Sae Woo Nam,¹ and Lynden K. Shalm^1,2

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

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

³NTT Basic Research Laboratories and NTT Research Center for Theoretical Quantum Physics, NTT Corporation, 3-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0198, Japan.

⁴National Institute of Standards and Technology, Gaithersburg, MD 20899, USA.

⁵ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain.

^*Corresponding author: gak2@nist.gov