期刊
JOURNAL OF OPTICS
卷 12, 期 11, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/2040-8978/12/11/115102
关键词
metamaterial; coupling effect; dispersive transmission
类别
资金
- NRF through the Quantum Photonic Science Research Center at Hanyang University, Korea
- Ministry of Education, Science and Technology [20090094026]
We investigate the coupling between bright and quasi-dark eigenmodes in a planar metamaterial supporting highly dispersive transparency. The specific design of such a metamaterial consists of a cut wire (CW) and a single-gap split-ring resonator (SRR). Through the numerical simulation and the equivalent-circuit analysis, we demonstrate that the response of the SRR, which is weakly excited by external electric field, plays the role of a quasi-dark eigenmode in the presence of a strongly radiative CW. Furthermore, by extending and relating our study to the trapped mode resonances and the coupling between dark and bright modes, a more comprehensive perspective for the metamaterial realization of highly dispersive transmission and slow-light applications is provided.
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