This publisher’s note corrects an error in the funding section in Opt. Lett. 42, 4319 (2017) [CrossRef] .
© 2018 Optical Society of America
In the funding section of Ref. , the award number for Horizon 2020 Framework Programme should have been 732720 instead of 792720. The article was corrected online as of 10 August 2018.
1. R. Haindl, S. Preisser, M. Andreana, W. Rohringer, C. Sturtzel, M. Distel, Z. Chen, E. Rank, B. Fischer, W. Drexler, and M. Liu, Opt. Lett. 42, 4319 (2017). [CrossRef]