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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 27, Iss. 10 — Oct. 1, 2010
  • pp: 2061–2067

Application of the generalized multipole technique to the analysis of a ladder parallel-plate waveguide for terahertz guided-wave applications

Mehdi Ahmadi-Boroujeni and Mahmoud Shahabadi  »View Author Affiliations


JOSA B, Vol. 27, Issue 10, pp. 2061-2067 (2010)
http://dx.doi.org/10.1364/JOSAB.27.002061


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Abstract

In this paper, a parallel-plate ladder waveguide (PPLWG) is proposed for terahertz waveguiding. A modal analysis of the proposed structure is performed by the use of the generalized multipole technique and is verified using both the mode matching technique and the finite-element method. It is shown that guided modes of this waveguide are TE y m even modes. The dispersion diagram, mode field distribution, and attenuation constant of the dominant mode are also presented. It is shown that by a proper choice of PPLWG dimensions, its mode confinement and dispersion profile can be adapted to typical requirements. Moreover, the field distribution of the dominant mode of a PPLWG can be matched to the TE 1 mode of a parallel-plate waveguide which is of practical importance.

© 2010 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides
(260.3090) Physical optics : Infrared, far

ToC Category:
Integrated Optics

History
Original Manuscript: July 7, 2010
Manuscript Accepted: August 20, 2010
Published: September 23, 2010

Citation
Mehdi Ahmadi-Boroujeni and Mahmoud Shahabadi, "Application of the generalized multipole technique to the analysis of a ladder parallel-plate waveguide for terahertz guided-wave applications," J. Opt. Soc. Am. B 27, 2061-2067 (2010)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-27-10-2061

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