Correction to: npj Quantum Information https://doi.org/10.1038/s41534-022-00538-y, published online 18 March 2022

In the Acknowledgements section of this article few sentences were included errorneously “We also gratefully acknowledge support by national funding from MEYS and European Union’s Horizon 2020 (2014–2020) research and innovation framework programme under grant agreement No. 731473 (project 8C20002 ShoQC). Project ShoQC has received funding from the QuantERA ERA-NET Cofund in Quantum Technologies implemented within the European Unions Horizon 2020 Programme. R.F. and L.L. acknowledge grant No. GA19-14988S of the Czech Science Foundation. R.F. also acknowledges support from the MEYS of Czech Republic by the project LTAUSA19099.” that should have been removed. The original article has been corrected.