Analytical prediction of dispersion characteristics for slab waveguides composed with left handed materials

Hua Wang Zi; Yin Xiao Zhong

doi:10.1117/12.742495

14 January 2008 Analytical prediction of dispersion characteristics for slab waveguides composed with left handed materials

Hua Wang Zi, Yin Xiao Zhong

Author Affiliations +

Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67813X (2008) https://doi.org/10.1117/12.742495
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China

Abstract

Normalized frequency, normalized propagation constant and asymmetry measure are introduced to the left-handed slab waveguides. The dispersion relations expressed by normalized parameters are then derived. All the possible waveguide configurations with the left handed materials as core, substrate, and cover are considered and divided into four cases. Universal dispersion curves, and dispersion properties have been obtained analytically. It is found that guided mode properties differ dramatically for these four cases. For some cases, fundamental mode does not exist. For some cases, double degeneracy of modes appears. In one case, the first order mode only exists in a small frequency range, while in another case the fundamental mode exists only in a small frequency range. Both TE and TM oscillating guided modes are discussed.

Citation Download Citation

Hua Wang Zi and Yin Xiao Zhong "Analytical prediction of dispersion characteristics for slab waveguides composed with left handed materials", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67813X (14 January 2008); https://doi.org/10.1117/12.742495

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