Author Affiliations

Zhigang Chen,¹ Marcus Asaro,¹ Oksana Ostroverkhova,^2* W. E. Moerner,² Meng He,³ and R. J. Twieg³

¹Department of Physics and Astronomy, San Francisco State University, San Francisco, California 94132, and Teda College, Nankai University, Tianjin, China

²Department of Chemistry, Stanford University, Stanford, California 94305

³Department of Chemistry, Kent State University, Kent, Ohio 44242

^*Current address, Department of Physics, University of Alberta, Edmonton, Alberta, Canada T6G 2E1.

^*Corresponding author: zchen@stars.sfsu.edu