Physics – Optics
Scientific paper
2009-07-24
Optics Express 17, 11486 (2009)
Physics
Optics
7 pages, 4 figures Band structures of magnetic plasmons in one-dimenstional metamaterails
Scientific paper
Magnetic resonance coupling between connected split ring resonators (SRRs) and magnetic plasmon (MP) excitations in the connected SRR chains were theoretically studied. By changing the connection configuration, two different coupling behaviors were observed, and therefore two kinds of MP bands were formed in the connected ring chains, accordingly. These MPs were revealed with positive and negative dispersion for the homo- and anti-connected chain, respectively. Notably, these two MP modes both have wide bandwidth due to the conductive coupling. Moreover, the anti-connected chain is found supporting a novel negative propagating wave with a wide band starting from zero frequency, which is a fancy phenomenon in one-dimensional system.
Cao Ji-Xiu
Li Camille
Li Tiancheng
Liu Hongya
Wang Shao-Min
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