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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 20, Iss. 7 — Jul. 1, 2002
  • pp: 1219–

High-Accuracy Finite-Difference Equations for Dielectric Waveguide Analysis II:Dielectric Corners

G. Ronald Hadley

Journal of Lightwave Technology, Vol. 20, Issue 7, pp. 1219- (2002)


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Abstract

We present a discussion of the behavior of the electric and magnetic fields satisfying the two-dimensional Helmholtz equation for waveguides in the vicinity of a dielectric corner. Although certain components of the electric field have long been known to be infinite at the corner, it is shown that all components of the magnetic field are finite, and that finite-difference equations may be derived for these fields that satisfy correct boundary conditions at the corner. These finite-difference equations have been combined with those derived in the previous paper to form a full-vector waveguide solution algorithm of unprecedented accuracy. This algorithm is employed to provide highly accurate solutions for the fundamental modes of a previously studied standard rib waveguide structure.

[IEEE ]

Citation
G. Ronald Hadley, "High-Accuracy Finite-Difference Equations for Dielectric Waveguide Analysis II:Dielectric Corners," J. Lightwave Technol. 20, 1219- (2002)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-20-7-1219

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