1. Center for Nanotechnology Innovation @NEST, Istituto Italiano di Tecnologia, Piazza San Silvestro 12, 56127 Pisa, Italy
2. Photonic Networks and Technologies Lab, CNIT, Via G. Moruzzi 1, 56124 Pisa, Italy
3. Graphene Labs, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
4. TeCIP Institute, Scuola Superiore Sant’Anna, Via G. Moruzzi 1, 56124 Pisa, Italy
5. NEST, Scuola Normale Superiore, Piazza San Silvestro 12, 56127 Pisa, Italy
6. ICFO - Institut de Ciencies Fotoniques, the Barcelona Institute of Science and Technology, Av. Carl Friedrich Gauss 3, 08860 Castelldefels, Spain
7. Technion - Israel Institute of Technology, Technion City, 3200003 Haifa, Israel
8. Thales Research and Technology, 1, Avenue Augustin Fresnel, 91767 Palaiseau, France
9. Cambridge Graphene Centre, Cambridge University, 9 J.J. Thompson Avenue, Cambridge CB3 OFA, United Kingdom
10. ICREA, Institució Catalana de Recerça i Estudis Avancats, Barcelona 08010, Spain