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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 25 — Dec. 6, 2010
  • pp: 26583–26599

Modeling mode characteristics of transverse anisotropic waveguides using a vector pseudospectral approach

Chia-Chien Huang  »View Author Affiliations


Optics Express, Vol. 18, Issue 25, pp. 26583-26599 (2010)
http://dx.doi.org/10.1364/OE.18.026583


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Abstract

I extend the full vector pseudospectral-based eigenvalue scheme, based on the transverse magnetic field components, to analyze the mode behaviors of dielectric optical waveguides with transverse, nondiagonal anisotropy. One of the principal axes of the anisotropic materials is thus constrained to point in the longitudinal direction of the waveguide. I expand the guided mode fields in the interior subdomains with finite extent by using Chebyshev polynomials and those in the exterior subdomains with semi-infinite extent by using Laguerre–Gaussian functions with an accurately determined scaling factor. This study analyzes two examples: (1) the circularly-polarized modes of a magneto-optical raised strip waveguide and (2) the guided mode patterns of a nematic liquid-crystal channel waveguide under different orientations of the liquid-crystal molecule. The comparison of the numerical results with those from the vector finite difference approach demonstrates that my numerical approach has a higher computational efficiency and requires less computer memory.

© 2010 OSA

OCIS Codes
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: September 7, 2010
Revised Manuscript: November 16, 2010
Manuscript Accepted: December 1, 2010
Published: December 3, 2010

Citation
Chia-Chien Huang, "Modeling mode characteristics of transverse anisotropic waveguides using a vector pseudospectral approach," Opt. Express 18, 26583-26599 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-25-26583


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