Dispersion characteristics of asymmetric double-negative material slab waveguides

被引：22

作者：

Xiao, Zhong Yin ^{[1
]}

Wang, Zi Hua ^{[1
]}

机构：

[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai 200072, Peoples R China

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2006年 / 23卷 / 09期

关键词：

D O I：

10.1364/JOSAB.23.001757

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The dispersion characteristics of asymmetric double-negative material slab waveguides have been investigated by using normalized parameters. The results show that the dispersion characteristics of these material waveguides differ dramatically from conventional guided waves, and they possess a number of unusual properties, including the absence of fundamental modes, propagation of the first-order mode within narrow frequency ranges, and the existence of modes for imaginary transverse wave numbers, for example. In particular, for one fast wave mode, near cutoff, one normalized frequency corresponds to two possible propagation coefficients. (c) 2006 Optical Society of America.

引用

页码：1757 / 1760

页数：4

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