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has been cited by the following article:

• TITLE: Guided Modes in a Four-Layer Slab Waveguide with Dispersive Left-Handed Material

  AUTHORS: Lufa Shen, Zihua Wang

  KEYWORDS: Slab Waveguide, Left-Handed Material, Dispersive Properties, Total Power Fluxes

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.2 No.4, May 4, 2010

  ABSTRACT: A four-layer slab waveguide including left-handed material is investigated numerically in this paper. Considering left-handed material dispersion, we find eight TE guided modes as frequency from 4 GHz to 6 GHz. The fundamental mode can exist, and its dispersion curves are insensitive to the waveguide thickness. Besides, the total power fluxes of TE guided modes are analyzed and corresponding new properties are found, such as: positive and negative total power fluxes coexist; at maximum value of frequency, we find zero total power flux, etc. Our results may be of benefit to the optical waveguide technology.