## Optimization of a two-dimensional photonic-crystal waveguide branch by simulated annealing and the finite-element method

JOSA B, Vol. 21, Issue 2, pp. 289-295 (2004)

http://dx.doi.org/10.1364/JOSAB.21.000289

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### Abstract

The finite-element method including simulated annealing algorithm is adopted for the analysis and optimization of photonic-crystal waveguiding structures. The dispersion relations of the photonic-crystal waveguides are found by solution of an eigenvalue equation. The waveguide structures including bends and branches are analyzed by use of a scattering formulation. The symmetry of the structure is exploited to classify the modes as well as to reduce the computations. Based on the transmission spectra of a waveguide’s bends and branches, a branch is optimized by use of the simulated annealing algorithm.

© 2004 Optical Society of America

**OCIS Codes**

(130.1750) Integrated optics : Components

(230.3120) Optical devices : Integrated optics devices

**Citation**

Woo Jun Kim and John D. O'Brien, "Optimization of a two-dimensional photonic-crystal waveguide branch by simulated annealing and the finite-element method," J. Opt. Soc. Am. B **21**, 289-295 (2004)

http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-21-2-289

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