Akio Kawasaki^1,*, Boris Braverman^1,†, Edwin Pedrozo-Peñafiel¹, Chi Shu^1,2, Simone Colombo¹, Zeyang Li¹, Özge Özel¹, Wenlan Chen¹, Leonardo Salvi^1,3, André Heinz^1,4,‡, David Levonian^1,§, Daisuke Akamatsu^1,5, Yanhong Xiao^1,6, and Vladan Vuletić^1,∥

• ¹Department of Physics, MIT-Harvard Center for Ultracold Atoms and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
• ²Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
• ³Dipartimento di Fisica e Astronomia and LENS - Università di Firenze, INFN - Sezione di Firenze, Via Sansone 1, 50019 Sesto Fiorentino, Italy
• ⁴Friedrich-Alexander-Universität Erlangen-Nürnberg, Schlossplatz 4, 91054 Erlangen, Germany
• ⁵National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba, Ibaraki 305-8563, Japan
• ⁶Department of Physics, State Key Laboratory of Surface Physics and Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Fudan University, Shanghai 200433, China

• ^*akiok@stanford.edu; Present address: W.W. Hansen Experimental Physics Laboratory and Department of Physics, Stanford University, Stanford, California 94305, USA.
• ^†bbraverm@uottawa.ca; Present address: Department of Physics and Max Planck Centre for Extreme and Quantum Photonics, University of Ottawa, 25 Templeton Street, Ottawa, Ontario K1N 6N5, Canada.
• ^‡Present address: Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Straße 1, 85748 Garching, Germany.
• ^§Present address: Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA.
• ^∥vuletic@mit.edu