1. Photonics Research Group, Ghent University, Gent 9000, Belgium
2. Physics and Chemistry of Nanostructures, Ghent University, Gent 9000, Belgium
3. NOLIMITS Core Facility for Non-Linear Microscopy and Spectroscopy, Ghent University, Gent 9000, Belgium
4. Department of Physics, Bowling Green State University, Bowling Green, Ohio 43403, United States
5. Department of Chemistry, Bowling Green State University, Bowling Green, Ohio 43403, United States
6. The Center for Photochemical Sciences, Bowling Green State University, Bowling Green, Ohio 43403, United States
7. Robinson Research Institute, Victoria University of Wellington, Wellington 6012, New Zealand
8. MacDiarmid Institute for Advanced Materials and Nanotechnology, Wellington 6012, New Zealand
9. The Dodd-Walls Centre for Photonic and Quantum Technologies, University of Otago, Dunedin 9016, New Zealand