1. Institute of Solid State Physics Friedrich Schiller University Jena Helmholtzweg 5 07743 Jena Germany
2. ARC Centre of Excellence for Transformative Meta‐Optical Systems, Department of Electronic Materials Engineering, Research School of Physics The Australian National University Canberra ACT 2601 Australia
3. Institute of Condensed Matter Theory and Optics Friedrich Schiller University Jena Max‐Wien‐Platz 1 07743 Jena Germany
4. Abbe Center of Photonics Friedrich Schiller University Jena Albert‐Einstein‐Straße 6 07745 Jena Germany
5. Institute of Applied Physics Friedrich Schiller University Jena Albert‐Einstein‐Straße 15 07745 Jena Germany
6. Institute of Electronic Structure and Laser Foundation for Research and Technology N. Plastira 100, Vassilika Vouton 70013 Heraklion Crete Greece