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A Study on Optimization of Waveguide Dispersion Property Using Function Expansion Based Topology Optimization Method
Hiroyuki GOTO Yasuhide TSUJI Takashi YASUI Koichi HIRAYAMA
Publication
IEICE TRANSACTIONS on Electronics
Vol.E97-C
No.7
pp.670-676 Publication Date: 2014/07/01 Online ISSN: 1745-1353
DOI: 10.1587/transele.E97.C.670 Type of Manuscript: Special Section PAPER (Special Section on Recent Advances in Simulation Techniques and Their Applications for Electronics) Category: Keyword: function expansion method, topology optimization, photonic crystal waveguide, slow-light, structural filter,
Full Text: PDF>>
Summary:
In this paper, the function expansion based topology optimization is employed to the automatic optimization of the waveguide dispersion property, and the optimum design of low-dispersion slow-light photonic crystal waveguides is demonstrated. In order to realize low-dispersion and large group index, an objective function to be optimized is expressed by the weighted sum of the objective functions for the desired group index and the low-dispersion property, and weighting coefficients are updated through the optimization process.
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