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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 20, Iss. 3 — Mar. 1, 2003
  • pp: 557–568

Adaptive Hermite–Gauss decomposition method to analyze optical dielectric waveguides

Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, and Iñigo Molina-Fernández  »View Author Affiliations


JOSA A, Vol. 20, Issue 3, pp. 557-568 (2003)
http://dx.doi.org/10.1364/JOSAA.20.000557


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Abstract

A novel spectral method with variable transformation, the adaptive Hermite–Gauss decomposition method (A-HGDM), has been developed and applied to the analysis of three-dimensional (3D) dielectric structures. The proposed method includes an optimization strategy to automatically find the quasi-optimum numerical parameters of the variable transformation with low computational effort. The technique has been tested by analyzing two typical 3D dielectric structures: the rectangular step-index waveguide and the rib-waveguide directional coupler. In both cases, the A-HGDM increases the accuracy of the Hermite–Gauss decomposition method (HGDM), especially when the mode is near cutoff, and improves the computational efficiency of previously published optimization strategies (optimized HGDM).

© 2003 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(130.2790) Integrated optics : Guided waves
(230.7370) Optical devices : Waveguides

History
Original Manuscript: August 2, 2002
Revised Manuscript: October 7, 2002
Manuscript Accepted: October 9, 2002
Published: March 1, 2003

Citation
Alejandro Ortega-Moñux, J. Gonzalo Wangüemert-Pérez, and Iñigo Molina-Fernández, "Adaptive Hermite–Gauss decomposition method to analyze optical dielectric waveguides," J. Opt. Soc. Am. A 20, 557-568 (2003)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-20-3-557

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