Author Affiliations

Takao Aoki,^a A. S. Parkins,^b D. J. Alton,^† C. A. Regal,^† Barak Dayan,^c E. Ostby,^‡ K. J. Vahala,^‡ and H. J. Kimble^†

^†Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena, California 91125, USA

^‡T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, California 91125, USA

^aDepartment of Physics, Graduate School of Science, Kyoto University, Kyoto, Japan, PRESTO, Japan Science and Technology Agency, Saitama, Japan

^bDepartment of Physics, University of Auckland, Auckland, New Zealand

^cWeizmann Institute of Science, Rehovot, Israel