Magnetic control of a meta-molecule

Gavin B. G. Stenning, Graham J. Bowden, Lewis C. Maple, Simon A. Gregory, Alberto Sposito, Robert W. Eason, Nikolay I. Zheludev, Peter A. J. de Groot
<span title="2013-01-14">2013</span> <i title="The Optical Society"> <a target="_blank" rel="noopener" href="" style="color: black;">Optics Express</a> </i> &nbsp;
Metamaterials offer the prospect of new science and applications. They have been designed by shaping or changing the material of the individual meta-molecules to achieve properties not naturally attainable. Composite meta-molecules incorporating a magnetic component offer new opportunities. In this work we report on the interaction between a non-magnetic split ring resonator (SRR) and a thin film of yttrium iron garnet (YIG). Strong hybridized resonances are observed. While the SRR is
more &raquo; ... zed by a magnetic and electric resonance, in practice, it is found that the YIG couples strongly to this symmetric (electric) mode of the SRR. It is also demonstrated that the anti-crossing region provides fertile ground for the creation of elementary excitations such as backward volume magnetostatic waves.
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="">doi:10.1364/oe.21.001456</a> <a target="_blank" rel="external noopener" href="">pmid:23389127</a> <a target="_blank" rel="external noopener" href="">fatcat:x2ggs2bc4vffpislsesmxurnmq</a> </span>
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