Correction to: Scientific Reports https://doi.org/10.1038/s41598-017-10450-7, published online 29 August 2017

The original version of this Article omitted an additional affiliation for the authors Mu Qiao, Honglin Liu and Shensheng Han. The correct affiliations for these authors are listed below:

Key Laboratory for Quantum Optics and Center for Cold Atom Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai, 201800.

University of Chinese Academy of Sciences, Beijing, 100049, China.

This has now been corrected in the HTML and PDF versions of this Article.