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Genetic Optimization of Photonic Bandgap Structures |
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Written by Administrator
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Sunday, 11 March 2007 |
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Genetic Optimization of Photonic Bandgap Structures:
In my Junior and Senior year in Stanford, I worked with Ilya Fushman, Dirk Englund, and Jelena Vuckovic on the area of Photonic Crystal Design. We found that using Genetic Algorithms (also known as Evolutionary Algorithms), we were able to robustly design photonic crystals that met a wide range of design criteria. The figures below
show the band diagrams for (A) our optimized photonic crystal structure, when we maximized the bandgap at the K point, and (B) a standard triangular photonic crystal lattice with r/a = 0.3. Both structures were made from circular air holes in a dielectric slab. 
(A) Band Diagram for our optimized structure
(B) Band Diagram for the reference lattice.
We have recently submitted our manuscript to Optics Express for publication. |
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Last Updated ( Sunday, 11 March 2007 )
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