1. Institute of Electronic Structure and LaserFoundation for Research and Technology Hellas (FORTH) Heraklion Crete GR‐71110 Greece
2. Department of Electrical and Computer EngineeringAristotle University of Thessaloniki Thessaloniki Greece
3. Department of Electronics and NanoengineeringAalto University P.O. Box 15500 Aalto FI‐00076 Finland
4. School of Engineering and Applied SciencesUniversity of Pennsylvania Philadelphia PA 19104 USA
5. NaNoNetworking Center in Catalonia (N3Cat)Universitat Politècnica de Catalunya Barcelona 08034 Spain
6. Institute of Computer ScienceFoundation for Research and Technology Hellas (FORTH) Heraklion Crete GR‐71110 Greece
7. Department of Electrical and Computer EngineeringUniversity of Cyprus Nicosia CY‐1678 Cyprus
8. School of Electrical and Computer EngineeringTechnical University of Crete Chania 73100 Greece
9. Department of Computer ScienceUniversity of Cyprus Nicosia CY‐1678 Cyprus
10. Department of PhysicsUniversity of Crete Heraklion Crete GR‐71003 Greece
11. Ames Laboratory—U.S. DOE and Department of Physics and AstronomyIowa State University Ames IA 50011 USA
12. Department of Materials Science and TechnologyUniversity of Crete Heraklion Crete GR‐71003 Greece