金属与紧密交错的匹配双层膜界面引导的电磁表面波

IF 2 4区物理与天体物理 Q3 OPTICS

Journal of Optics Pub Date : 2024-06-12 DOI:10.1088/2040-8986/ad52a1

Roberta De Simone, Francesco Chiadini, Vincenzo Fiumara and Akhlesh Lakhtakia

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引用次数: 0

摘要

TIMAB 是一种周期性单向非均质材料，其单元格由结构手性相同的两种结构手性材料各一个周期组成。因此，结构手性在单元格中心翻转。我们提出了一个典型的边界值问题，并求解了一个色散方程，ESW 被归类为表面-质子-极化子（SPP）波。一旦在单元格中翻转结构手性，就会大大增加可能出现的 SPP 波的数量，其中一个或多个可能是超光速波。

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Electromagnetic surface waves guided by the interface of a metal and a tightly interlaced matched ambidextrous bilayer

The existence and characteristics of electromagnetic surface waves (ESWs) whose propagation is guided by the planar interface of metal and a tightly interlaced matched ambidextrous bilayer (TIMAB) were theoretically investigated, a TIMAB being a periodic unidirectionally nonhomogeneous material whose unit cell consists of one period each of two structurally chiral materials that are identical except in structural handedness. Thus, the structural handedness flips in the center of the unit cell. A canonical boundary-value problem was formulated and a dispersion equation was solved, the ESWs being classified as surface-plasmon-polariton (SPP) waves. Flipping the structural handedness once in the unit cell can greatly enhance the number of possible SPP waves, one or more of which may be superluminal.

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来源期刊

Journal of Optics OPTICS-

CiteScore

4.50

自引率

4.80%

发文量

237

审稿时长

1.9 months

期刊介绍： Journal of Optics publishes new experimental and theoretical research across all areas of pure and applied optics, both modern and classical. Research areas are categorised as: Nanophotonics and plasmonics Metamaterials and structured photonic materials Quantum photonics Biophotonics Light-matter interactions Nonlinear and ultrafast optics Propagation, diffraction and scattering Optical communication Integrated optics Photovoltaics and energy harvesting We discourage incremental advances, purely numerical simulations without any validation, or research without a strong optics advance, e.g. computer algorithms applied to optical and imaging processes, equipment designs or material fabrication.