Excitation of linear and nonlinear cavity modes upon interaction of femtosecond pulses with arrays of metallic nanowires |
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| Authors: | C G Biris N C Panoiu |
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| Institution: | (1) Advanced Research Laboratory, Turk Telekom Laboratory, Department of Physics, Bilkent University, Ankara, 06800, Turkey;(2) FAS Center for Systems Biology, Harvard University, Cambridge, MA 02138, USA |
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| Abstract: | We investigate linear and nonlinear effects induced by the scattering of femtosecond optical pulses by cavity-shaped two-dimensional
distributions of metallic cylinders. In particular, by employing a numerical method based on the multiple scattering matrix
algorithm, we demonstrate that, at both the fundamental frequency and the second harmonic, such arrays of metallic nanowires
support localized (cavity) surface plasmon–polariton modes with characteristic lifetime ranging from a few tens of femtoseconds
to more than a hundred of femtoseconds. |
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