We create one-dimensional extended ultra-flat bands with relative frequency widths below 1% in two-dimensional photonic crystals. Caused by an interior saddle point, these flat bands lead to an enhanced density of states and improved self-collimation.
Extended ultra-flat bands in photonic crystals
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 2 ; 1165-1167 Vol. 2
2005-01-01
1919435 byte
Conference paper
Electronic Resource
English
Extended Ultra-Flat Bands in Photonic Crystals
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