1. CNR-INO (National Institute of Optics), Via Branze 45, 25123 Brescia, Italy
2. Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy
3. Laboratory of Soft Matter and Biophysics, Department of Physics and Astronomy, KU Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium
4. Dipartimento di Matematica e Fisica, Università Cattolica del Sacro Cuore, Via Musei 41, 25121 Brescia, Italy
5. Interdisciplinary Laboratories for Advanced Materials Physics (I-LAMP), Via Musei 41, 25121 Brescia, Italy
6. VITO, Boeretang 200, Mol 2400, Belgium
7. EnergyVille, Energyville I, Thor Park 3800, Genk 3600, Belgium
8. FemtoNanoOptics Group, Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut Lumière Matière, F-69622 Villeurbanne, France