1. NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
2. Center for Nanotechnology Innovation @NEST, Istituto Italiano di Technologia, Piazza San Silvestro 12, 56127 Pisa, Italy
3. Graphene Labs, Istituto Italiano di Tecnologia, via Morego 30, 16163 Genova, Italy
4. CamGraPhIC srl, 56124 Pisa, Italy
5. Institut Lavoisier de Versailles UMR 8180 Université Paris-Saclay, UVSQ, CNRS, 78035 Versailles, France
6. Photonic Networks and Technologies Lab, CNIT, 56124 Pisa, Italy