Sharp trapped-mode resonances in planar metamaterials with a broken structural symmetry |
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| Authors: | Fedotov V A Rose M Prosvirnin S L Papasimakis N Zheludev N I |
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| Affiliation: | Optoelectronics Research Centre, University of Southampton, UK. |
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| Abstract: | We report that a resonance response with a very high quality factor can be achieved in a planar metamaterial by introducing symmetry breaking in the shape of its structural elements, which enables excitation of trapped modes, i.e., modes that are weakly coupled to free space. |
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