This publisher’s note corrects an error in one of the authors’ names and an error in one of the grant numbers in Opt. Lett. 42, 4263 (2017).
© 2018 Optical Society of America
In the author listing of , “Shuiqing Zheng” has been corrected as “Shuiqin Zheng”; in the funding section, the grant number 61405119 has been corrected to 61705132. The article was corrected online as of 14 December 2017.
1. S. Zheng, X. Pan, Y. Cai, Q. Lin, Y. Li, S. Xu, J. Li, and D. Fan, Opt. Lett. 42, 4263 (2017).