Gradient index circuit by waveguided metamaterials

被引：42

作者：

Liu, Ruopeng ^{[1
]}

Yang, Xin Mi ^{[2
]}

Gollub, Jonah G. ^{[1
]}

Mock, Jack J. ^{[1
]}

Cui, Tie Jun ^{[2
]}

Smith, David R. ^{[1
]}

机构：

[1] Duke Univ, Dept Elect & Elect Engn, Ctr Metamat & Integrated Plasmon, Durham, NC 27708 USA

[2] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 07期

基金：

美国国家科学基金会;

关键词：

beam steering; gradient index optics; metamaterials; optical resonators; optical waveguides;

D O I：

10.1063/1.3081399

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Metamaterials are artificially structured materials that provide considerable flexibility for control of electromagnetic waves. The metamaterial concept can also be applied to the design of planar waveguiding structures. Here, we illustrate this design approach with the development of two-dimensional (2D) planar gradient index (GRIN) circuits. To form the structure, we make use of a 2D complementary split ring resonator, which exhibits an electric response to guided transverse-electric waves. To confirm the properties of the planar GRIN structure predicted from numerical simulations, we present experimental results for a beam-steering and a focusing GRIN circuit. These examples illustrate the versatility of the metamaterial approach in the design of complex waveguiding structures.

引用

页数：3

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