Dielectric Metamaterials with Toroidal Dipolar Response

Alexey A. Basharin, Maria Kafesaki, Eleftherios N. Economou, Costas M. Soukoulis, Vassili A. Fedotov, Vassili Savinov, and Nikolay I. Zheludev Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology Hellas (FORTH), P.O. Box 1385, 71110 Heraklion, Crete, Greece National Research University “Moscow Power Engineering Institute,” 112250 Moscow, Russia Department of Materials Science and Technology, University of Crete, 71003 Heraklion, Greece Department of Physics, University of Crete, 71003 Heraklion, Greece Ames Laboratory-USDOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA Optoelectronics Research Centre and Centre for Photonic Metamaterials, University of Southampton, Highfield, Southampton SO17 1BJ, United Kingdom Centre for Disruptive Photonic Technologies, Nanyang Technological University, Singapore 637371, Singapore (Received 7 November 2013; revised manuscript received 16 November 2014; published 27 March 2015)