Characteristics of the guided modes in a channel waveguide with negative refractive index medium

Qian Wang; Kangsong Tang; Kaiming You; Shuangchun Wen

doi:10.1117/12.574744

17 January 2005 Characteristics of the guided modes in a channel waveguide with negative refractive index medium

Qian Wang, Kangsong Tang, Kaiming You, Shuangchun Wen

Author Affiliations +

Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005) https://doi.org/10.1117/12.574744
Event: Photonics Asia, 2004, Beijing, China

Abstract

We report on a theoretical analysis of a channel dielectric waveguide consisting of periodically interlaced negative refractive index medium and positive index medium. The dispersion relation for TM modes is obtained. The properties of guided wave modes have been numerically disclosed. It is shown that the waveguide can exhibit negative group velocity dispersion as well as extraordinarily large group velocity dispersion. The Poynting vector within the waveguide can change both sign and magnitude. The distribution of energy flux density of different sections relates to the frequency and the width of the channel waveguide.

Citation Download Citation

Qian Wang, Qian Wang, Kangsong Tang, Kangsong Tang, Kaiming You, Kaiming You, Shuangchun Wen, Shuangchun Wen, "Characteristics of the guided modes in a channel waveguide with negative refractive index medium", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); doi: 10.1117/12.574744; https://doi.org/10.1117/12.574744

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