1. Department of Physics E.R. Caianiello, University of Salerno, Fisciano, 84084, Italy
2. Laboratoire de Physique des Solides, Centre National de la Recherche Scientifique (CNRS), Université Paris-Saclay, Orsay, 91405, France
3. Physics Department, Sapienza University of Rome, Rome, 00185, Italy
4. Institute for Photonics and Nanotechnologies, National Research Council (CNR-IFN), Rome, 00133, Italy
5. SuPerconducting and other INnovative materials and devices institute, National Research Council (CNR-SPIN), Fisciano, 84084, Italy