Numerical study of guided modes in arrays of metallic nanowires

Publication Type:
Journal Article
Optics Letters, 2007, 32 (12), pp. 1647 - 1649
Issue Date:
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We numerically investigate the band structure and guided modes within arrays of metallic nanowires. We show that bandgaps appear for a range of array geometries and that these can be used to guide light in these structures. Values of attenuation as low as 1.7 dB/cm are predicted for arrays of silver wires at communications wavelengths. This is more than 100 times smaller than the attenuation of the surface plasmon polariton modes on a single silver nanowire. © 2007 Optical Society of America.
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