Correction to: Microsystems & Nanoengineering

https://doi.org/10.1038/s41378-020-00190-6 published online 5 October 2020

The authors would like to add the below ‘Conflict of interest’ statement to this article1.

Conflict of interest

“Arka Majumdar and Karl F. Böhringer are co-founders of Tunoptix Inc., which is commercializing technology discussed in this article.”

The original article has been updated.