期刊
APPLIED PHYSICS LETTERS
卷 97, 期 24, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3525925
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资金
- Department of Energy (Basic Energy Sciences) [DE-AC02-07CH11358]
- U.S. Office of Naval Research [N000141010925, N000140811058]
- European Community [213310]
- CNAM
- Belgian American Educational Foundation
We report on our experimental work concerning a planar metamaterial exhibiting classical electromagnetically induced transparency (EIT). Using a structure with two mirrored split-ring resonators as the dark element and a cut wire as the radiative element, we demonstrate that an EIT-like resonance can be achieved without breaking the symmetry of the structure. The mirror symmetry of the metamaterial's structural element results in a selection rule inhibiting magnetic dipole radiation for the dark element, and the increased quality factor leads to low absorption (<10%) and large group index (of the order of 30). (C) 2010 American Institute of Physics. [doi:10.1063/1.3525925]
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