This erratum reports a correction to Fig. 5 in the original manuscript, Opt. Lett. 41, 5495 (2016) [CrossRef] .
© 2017 Optical Society of America
The extinction coefficients in Fig. 5 of  were erroneously plotted on the scale of the left hand axis rather than on the right hand axis, as had been intended. The figure is corrected as follows, and this correction has no impact on the conclusions made in the manuscript.
1. M. N. M. N. Perera, D. Schmidt, W. E. K. Gibbs, S. Juodkazis, and P. R. Stoddart, Opt. Lett. 41, 5495 (2016). [CrossRef]