Author:
Spanos Ioannis,Stevens Christopher John,Solymar Laszlo,Shamonina Ekaterina
Abstract
AbstractIn this report, the coupling and dispersion characteristics of discrete and coalesced square resonators was investigated in the MHz regime. Resonators with one and three gaps were considered. When the resonators are not in direct contact, the number of gaps has little effect upon the total coupling, which is negative. When the resonators are connected so that they share one side, the coupling can change drastically depending on the number of gaps. In particular, when the shared side has a gap, the total coupling coefficient switches to positive values, making it possible for forward travelling waves to propagate on arrays. Experimental, numerical and analytical data verify this behaviour.
Funder
Engineering and Physical Sciences Research Council
University of Oxford
Publisher
Springer Science and Business Media LLC
Cited by
3 articles.
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