Role of Local Plasmons in Interaction of Light with 1D Periodic Ensembles of Metallic Nanowires
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The light propagation through 1D metallic nanowires in strong light–matter interaction regimes have been analyzed theoretically. The theoretical calculations are based on differential formalism using curvilinear coordinate transformation and Fourier modal methods, and its comparison in the case of nanowires with rectangular cross section was performed. The transformation of local plasmon into surface plasmon polariton at an increasing metal filling factor while changing the width of rectangular nanowires was predicted theoretically. The essential enhancement of local plasmon oscillator strength at transformation to surface plasmon polariton was obtained too.
KeywordsLocal plasmons Surface plasmon polaritons Metalic nanowires Nanostructures
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