Optomechanical Bell Test

Funding

We would like to thank Vikas Anant, Nicolas Sangouard, and Joshua Slater for valuable discussions and support. We also acknowledge assistance from the Kavli Nanolab Delft, in particular from Marc Zuiddam and Charles de Boer. This project was supported by the Foundation for Fundamental Research on Matter (FOM) Projectruimte grants (15PR3210, 16PR1054), the European Research Council (ERC StG Strong-Q, ERC CoG QLev4G), the European Commission under the Marie Curie Horizon 2020 initial training programme OMT (Grant No. 722923), the Vienna Science and Technology Fund WWTF (ICT12-049), the Austrian Science Fund (FWF) under Projects No. F40 (SFB FOQUS) and No. P28172, and by the Netherlands Organisation for Scientific Research (NWO/OCW), as part of the Frontiers of Nanoscience program, as well as through a Vidi grant (680-47-541/994). R. R. is supported by the FWF under Project No. W1210 (CoQuS) and is a recipient of a DOC fellowship of the Austrian Academy of Sciences at the University of Vienna.