Title :
Extended ultra-flat bands in photonic crystals
Author :
Ibanescu, Mihai ; Soljacic, Marin ; Joannopoulos, J.D. ; Johnson, Steven G.
Author_Institution :
Dept. of Phys., Massachusetts Inst. of Technol., Cambridge, MA, USA
Abstract :
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.
Keywords :
optical dispersion; photonic crystals; interior saddle point; one-dimensional ultra-flat band; self-collimation; two-dimensional photonic crystals; Dispersion; Frequency; Integrated optics; Lattices; Marine technology; Nonlinear optical devices; Nonlinear optics; Optical devices; Optical refraction; Photonic crystals;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202059