1. Department of Electronics and Nanoengineering, Aalto University, Espoo, 02150, Finland
2. Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies, Palaiseau, 91120, France
3. Department of Applied Physics, KTH Royal Institute of Technology, Stockholm, 114 28, Sweden
4. Institute for Photonic Quantum Systems (PhoQS), Center for Optoelectronics and Photonics Paderborn (CeOPP) and Department of Physics, Paderborn University, 33098 Paderborn, Germany
5. QTF Centre of Excellence, Department of Applied Physics, Aalto University, Espoo, 02150, Finland