Correction to: Light: Science & Applications

https://doi.org/10.1038/s41377-021-00556-z published online 31 May 2021

After publication of this article1, it is noticed the article contained an error.

In Table 1, the data in the line ‘Length (mm)’ is missing. The complete Table 1 is provided in this correction.

Table 1 Comparative overview on light delay in different types of waveguides

The original article has been updated.