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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

  • Editor: Franco Gori
  • Vol. 30, Iss. 10 — Oct. 1, 2013
  • pp: 2090–2095

Asymptotic solutions of eigenmodes in slab waveguides terminated by perfectly matched layers

Jianxin Zhu and Ya Yan Lu  »View Author Affiliations


JOSA A, Vol. 30, Issue 10, pp. 2090-2095 (2013)
http://dx.doi.org/10.1364/JOSAA.30.002090


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Abstract

For numerical modeling of optical wave-guiding structures, perfectly matched layers (PMLs) are widely used to terminate the transverse variables of the waveguide. The PML modes are the eigenmodes of a waveguide terminated by PMLs, and they have found important applications in the mode matching method, the coupled mode theory, and so on. In this paper, we consider PML modes for two-dimensional slab waveguides. It is shown that the PML modes consist of perturbed propagating modes, perturbed leaky modes, and two infinite sequences of Berenger modes. High-order asymptotic solutions for the Berenger modes are derived using a systematic approach.

© 2013 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(290.4210) Scattering : Multiple scattering
(050.1755) Diffraction and gratings : Computational electromagnetic methods

ToC Category:
Integrated Optics

History
Original Manuscript: August 12, 2013
Manuscript Accepted: September 2, 2013
Published: September 23, 2013

Citation
Jianxin Zhu and Ya Yan Lu, "Asymptotic solutions of eigenmodes in slab waveguides terminated by perfectly matched layers," J. Opt. Soc. Am. A 30, 2090-2095 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-10-2090

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