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Traveling waves in two parallel infinite linear point-scatterer arrays

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Traveling waves in two parallel infinite linear point-scatterer arrays (EN)
Chremmos, I (EN)
Fikioris, G (EN)
journalArticle (EN)
2014-03-01T01:37:30Z
2011 (EN)
Traveling waves in two coupled parallel infinite linear point-scatterer arrays are studied analytically for the first time to our knowledge. The two arrays are considered to be generally offset in the axial direction. It is found that slow quasi-even/odd supermodes are supported, as a result of the coupling-induced splitting of the modes of the single array, in direct analogy to standard optical waveguide couplers. Exactly even/odd supermodes are supported when the axial offset is zero. Mode splitting, dispersion curves, and coupling length are numerically investigated versus the inter-element spacing, the inter-array distance, and the axial offset. Potential applications of the concept are in directional optical couplers made of metallic or dielectric nanoparticle chains. (C) 2011 Optical Society of America (EN)
Optics (EN)
Mode splitting (EN)
Dielectric nanoparticles (EN)
Optical coupler (EN)
Inter-element spacing (EN)
Traveling wave (EN)
Coupling length (EN)
Waveguide couplers (EN)
Potential applications (EN)
Supermodes (EN)
Axial direction (EN)
Dispersion curves (EN)
Journal of the Optical Society of America A: Optics and Image Science, and Vision (EN)
English
OPTICAL SOC AMER (EN)
National Technical University of Athens
Digital Library of National Technical University of Athens | Dspace@NTUA
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