Guidance and Leakage Behavior of Uniaxial Ridge Waveguides

Autor:	Carlos R. Paiva, Afonso M. Barbosa, António L. Topa
Rok vydání:	2009
Předmět:	Materials science Guided-mode resonance business.industry Acoustics Attenuation Eigenmode expansion General Physics and Astronomy Electronic Optical and Magnetic Materials Optics Surface wave Mode coupling Electrical and Electronic Engineering Leaky mode Anisotropy business Leakage (electronics)
Zdroj:	Journal of Electromagnetic Waves and Applications. 23:1675-1684
ISSN:	1569-3937 0920-5071
DOI:	10.1163/156939309789566923
Popis:	This paper addresses the guided-wave propagation in an open uniaxial ridge waveguide. The analysis is focused on the discrete modes, although including both guidance and leakage behavior. It is shown that, beyond a certain critical frequency, the surface guided modes may turn into leaky modes, due to the TE-TM mode coupling at the waveguide lateral boundaries. The numerical results were obtained using a conventional mode matching technique with a finite number of surface waves in each region. The results obtained for the guided modes are validated by comparison with those obtained through a more accurate analysis. The influence of the anisotropy and the geometrical parameters on the attenuation and phase constants of the leaky modes is shown.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::5cd5674e6fa00a16259207979694017a https://doi.org/10.1163/156939309789566923 Zobrazit plný text záznamu Plný text ve formátu PDF