Observation of coupled-cavity structures in metamaterials | Zendy

Hümeyra Çağlayan | Zendy; İrfan Bulu | Zendy; Marko Lončar | Zendy; Ekmel Özbay | Zendy

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Observation of coupled-cavity structures in metamaterials

Author(s) -

Hümeyra Çağlayan,

İrfan Bulu,

Marko Lončar,

Ekmel Özbay

Publication year - 2008

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2988286

Subject(s) - metamaterial , resonator , dispersion relation , group velocity , split ring resonator , dispersion (optics) , optics , transmission (telecommunications) , physics , materials science , optical cavity , optoelectronics , telecommunications , computer science , laser

Cataloged from PDF version of article.In this letter, we investigated the transmission properties of metamaterial based coupled-cavity structures. We first calculated the effective parameters of a split-ring resonator (SRR) and composite metamaterial (CMM) structures. Subsequently, we introduced coupled-cavity structures and presented the transmission spectrum of SRR and CMM based coupled-cavity structures. The splitting of eigenmodes was observed due to the interaction between the localized electromagnetic cavity modes. Finally, the dispersion relation and normalized group velocity of the coupled-cavity structures were calculated. The maximum group velocity was found to be 100 times smaller than the speed of light in vacuum. (C) 2008 American Institute of Physics

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