Multistability and localization in coupled nonlinear split-ring resonators

Details Multistability and localization in coupled nonlinear split-ring resonators Multistability and localization in coupled nonlinear split-ring resonators

2009-09-14

arxiv.org/abs/0909.2503v1

Physics Letters A (2010)

Physics

Optics

3 pages, 5 figures

Scientific paper

10.1016/j.physleta.2010.03.008

We study the dynamics of a pair of nonlinear split-ring resonators (a `metadimer') excited by an alternating magnetic field and coupled magnetically. Linear metadimers of this kind have been recently used as the elementary components for three-dimensional metamaterials or 'stereometamaterials' [N. Liu {\em et al}, Nature Photon. {\bf 3}, 157 (2009)]. We demonstrate that nonlinearity offers more possibilities with respect to real-time tunability and a multiplicity of states which can be reached by varying the external field. Moreover, we demonstrate almost total localization of the energy in one of the resonators in a broad range of parameters.

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