1. Laboratory for Optical Spectroscopy of Nanostructures, Faculty of Fundamental Problems of Technology, Department of Experimental Physics, Wrocław University of Science and Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
2. DTU Fotonik, Technical University of Denmark, Kongens Lyngby 2800, Denmark
3. DTU Electrical Engineering, Technical University of Denmark, Kongens Lyngby 2800, Denmark
4. Center for Macroscopic Quantum States (bigQ), Department of Physics, Technical University of Denmark, Kongens Lyngby 2800, Denmark
5. Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China
6. NanoPhoton-Center for Nanophotonics, Technical University of Denmark, Kongens Lyngby 2800, Denmark