Improvement of characterization accuracy of the nonlinear photonic crystals using finite elements-iterative method

Details Improvement of characterization accuracy of the nonlinear photonic crystals using finite elements-iterative method Improvement of characterization accuracy of the nonlinear photonic crystals using finite elements-iterative method

2010-12-04

arxiv.org/abs/1012.0919v1

Applied Physics - B: Lasers and Optics, Volume 84, 1-2, pp.83-87 (2006)

Physics

Optics

5 pages, 9 figures

Scientific paper

10.1007/s00340-006-2330-y

We investigate nonlinear one- and two-dimensional photonic crystals by applying a finite element-iterative method.Numerical results show the essential influence of nonlinear elements embedded into a quarter-wave stack and the sharp photonic crystal waveguide bend on the spectral characteristics of these structures. We compare our results with those obtained in [21] from the discrete equation method for the case of a sharp waveguide bend. The comparison shows that neglecting the nonuniform field distribution inside the embedded nonlinear elements leads to overestimation of the waveguide bend transmissivity.

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