| Affiliation: | Theoretical Nano-Photonics Group, Institute of High-Frequency and Communication Technology, Faculty of Electrical, Information and Media Engineering, University of Wuppertal, Campus Freudenberg Rainer-Gruenter-Str. 21, D-42119 Wuppertal, Germany;Department of Physics, Faculty of Science, University of Paderborn, Warburger Str. 100, 33098 Paderborn, Germany;Institute of Electronic Structure and Laser, Foundation for Research and Technology – Hellas, P.O. Box 1385, 71110 Heraklion, Crete, Greece |
