Fano-type interpretation of red shifts and red tails in hole array transmission spectra
arXiv:physics/0401054 · doi:10.1016/j.optcom.2003.07.037
Abstract
We present a unifying point of view which allows to understand spectral features reported in recent experiments with two-dimensional arrays of subwavelength holes in metal films. We develop a Fano analysis of the related scattering problem by distinguishing two interfering contributions to the transmission process, namely a non-resonant contribution (direct scattering) and a resonant contribution (surface plasmon excitation). The introduction of a coupling strength between these two contributions naturally induces resonance shifts and asymmetry of profiles which satisfy simple scaling relations. We also report an experiment to confirm this analysis.
arXiv comment5 pages
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Cited by in corpus (30)
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