Author Affiliations

Moritz Forsch,¹ Robert Stockill,¹ Andreas Wallucks,¹ Igor Marinković,¹ Claus Gartner,^1,2 Richard A. Norte,^1,3 Frank van Otten,⁴ Andrea Fiore,⁴ Kartik Srinivasan,⁵ and Simon Gröblacher^1,*

¹Kavli Institute of Nanoscience, Department of Quantum Nanoscience, Delft University of Technology, 2628CJ Delft, The Netherlands

²Vienna Center for Quantum Science and Technology (VCQ), Faculty of Physics, University of Vienna, A-1090 Vienna, Austria

³Department of Precision and Microsystems Engineering, Delft University of Technology, Mekelweg 2, 2628CD Delft, The Netherlands

⁴Department of Applied Physics and Institute for Photonic Integration, Eindhoven University of Technology, PO. Box 513, 5600MB Eindhoven, The Netherlands

⁵Center for Nanoscale Science and Technology, National Institute of Standards and Technology, Gaithersburg, MD, USA

^*Corresponding author: s.groeblacher@tudelft.nl