Light propagation in nonuniform plasmonic subwavelength waveguide arrays

OPTICS COMMUNICATIONS

卷:283

Article

Conforti, Matteo¹ 

[1] Univ Brescia, Dipartimento Elettron Automaz, I-25123 Brescia, Italy

关键词: Plasmonics;    Waveguide arrays;    Discrete diffraction;   

DOI  :  10.1016/j.optcom.2009.10.103

来源: Elsevier

【 摘 要 】

We study light propagation in nanoscale periodic structures composed of dielectric and metal in the visible range. We demonstrate that diffraction curves of nonuniform waveguide arrays can be tailored by varying the geometric and dielectric features of the waveguides. The results obtained from a proper formulation of coupled mode theory for nonuniform arrays are validated through numerical solution of Maxwell equations in frequency domain. (C) 2009 Elsevier B.V. All rights reserved.

【 授权许可】

Free