Super-collimation with high frequency sensitivity in 2D photonic crystals induced by saddle-type van Hove singularities

Using detailed numerical simulations, and theoretical modeling, we predict a new super-collimation operation regime which is very sensitive on frequency. This operation regime is predicted to exist in 2D photonic crystals of dielectric rods in low index media. We explain the physical origin of this...

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Bibliographic Details
Published inOptics express Vol. 21; no. 25; pp. 30140 - 30147
Main Authors Lin, Xulin, Zhang, Xiaogang, Chen, Liang, Soljačić, Marin, Jiang, Xunya
Format Journal Article
LanguageEnglish
Published United States 16.12.2013
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Summary:Using detailed numerical simulations, and theoretical modeling, we predict a new super-collimation operation regime which is very sensitive on frequency. This operation regime is predicted to exist in 2D photonic crystals of dielectric rods in low index media. We explain the physical origin of this operation regime, as well as discuss how it could be of interest for implementation of low-power non-linear devices, novel sensors, as well as low-threshold lasers.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.030140