An electric inductor-capacitor (ELC) resonator provides a series of
electrical resonances and a pair of ELC resonators leads to the split of each
resonance into two modes, i.e., magnetic and electric modes, corresponding to
antisymmetric and symmetric current distributions. With the meticulous design
of the ELC resonator, we can achieve a negative index metamaterial through mode
hybridization by overlapping the first electric resonance mode and the second
magnetic resonance mode. Such non-connected designs may offer opportunities to
achieve three-dimensional negative index metamaterials.Comment: 4 pages, 4 figure