Rendering dark modes bright by using asymmetric split ring resonators

Y. Jeyaram, N. Verellen, X. Zheng, A. V. Silhanek, M. Hojeij, B. Terhalle, Y. Ekinci, V. K. Valev, G. A E Vandenbosch, V. V. Moshchalkov

Research output: Contribution to journalArticlepeer-review

2 Citations (SciVal)


We have studied both theoretically and experimentally symmetric and asymmetric planar metallic Split Ring Resonators. We demonstrate that introducing structural asymmetry makes it possible to excite several higher order modes of both even (l = 2) and odd (l = 3, 5) order, which are otherwise inaccessible for a normally incident plane wave in symmetric structures. Experimentally we observe that the even mode resonances of asymmetric resonators have a quality factor 5.8 times higher than the higher order odd resonances.

Original languageEnglish
Pages (from-to)15464-15474
Number of pages11
JournalOptics Express
Issue number13
Publication statusPublished - 1 Jul 2013


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