Sub-diffraction light propagation in fibres with anisotropic dielectric cores

Sub-diffraction light propagation in fibres with anisotropic dielectric cores
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具有各向异性介电芯的光纤中的亚衍射光传播

DOI:
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发表时间:
2006
期刊:
影响因子:
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通讯作者:
V. Podolskiy
V. Podolskiy
中科院分区:
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文献类型:
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作者:
A. Govyadinov;V. Podolskiy

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我们提出了一个详细的研究,光在波导中的各向异性超材料的核心。我们证明,在传统的光纤相比,我们的结构支持自由空间的传播模式,即使当波导半径远小于波长。我们开发的分析形式主义来描述模式的结构和传播在强各向异性系统和波导边界和材料成分相关的影响进行了研究。
We present a detailed study of light propagation in waveguides with anisotropic metamaterial cores. We demonstrate that in contrast to conventional optical fibres, our structures support free-space-like propagating modes even when the waveguide radius is much smaller than the wavelength. We develop analytical formalism to describe mode structure and propagation in strongly anisotropic systems and study the effects related to waveguide boundaries and material composition.