Mirage and superbending effect in two-dimensional graded photonic crystals

被引：111

作者：

Centeno, Emmanuel ^{[1
]}

Cassagne, David ^{[1
]}

Albert, Jean-Paul ^{[1
]}

机构：

[1] Univ Montpellier 2, CNRS, UMR 5650, GES, F-34095 Montpellier, France

来源：

PHYSICAL REVIEW B | 2006年 / 73卷 / 23期

关键词：

D O I：

10.1103/PhysRevB.73.235119

中图分类号：

T [工业技术];

学科分类号：

08 [工学];

摘要：

We present a study of graded photonic crystals presenting a mirage effect. This light bending is understood through parametric studies of the isofrequency curves. We derive a model based on the effective index computation and on the Eikonal equation in order to demonstrate that photonic mirages originate from the same physical principles as atmospheric mirages. A graded photonic crystal presenting a superbending effect is proposed for designing a bent waveguide.

引用

页数：5

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