1. School of PhysicsUniversity of Exeter Exeter UK
2. Department of Physics & Namur Institute of Structured Matter (NISM)University of Namur Namur Belgium
3. Department of ChemistryMolecular Imaging and Photonics Heverlee Belgium
4. L3 – Luminescent Lanthanide Lab, Department of ChemistryGhent University Ghent Belgium
5. Micro‐ and Nanophotonic Materials GroupUniversity of Mons Mons Belgium
6. Photonics CenterInstitute of Physics, University of Belgrade Belgrade Serbia