一维亚链中相干磁等离子体波的电磁激发
Electric and Magnetic Excitation of Coherent Magnetic Plasmon Waves in a One-dimensional Meta-chain
摘要：
设计了一个具有等尺寸孔洞和不等长度狭缝的一维双原子亚链。在这样的系统中形成宽带相干磁等离子体波（MPW），其由狭缝中的电共振和孔中的磁共振在宽范围的入射角（00-400）和宽频带（200-230 THz）中激发。实验测得的MPW的色散特性与基于Lagrange模型的理论计算结果一致。本文所报道的相干多光子晶体波导在亚波长集成纳米电路中具有应用前景。
英文摘要：
A one-dimensional diatomic meta-chain with equal-size holes and different-length slits is designed. Broadband coherent magnetic plasmon waves (MPW) are formed in such a system, excited by both the electric resonance in the slits and the magnetic resonance in the holes in a wide range of incidence angles (00-400) and broad frequency bands (200-230 THz). The dispersion properties of the MPW measured in our experiments agree with the theoretical calculation based on the Lagrange model. The coherent MPWs reported in this paper may have applications in subwavelength integrated nanocircuits.
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