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21 January 2013 Second Harmonic Generation in Plasmonic Nanoresonators
Marco Centini; Alessio Benedetti
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J. of Nanophotonics, 7(1), 078501 (2013). https://doi.org/10.1117/1.JNP.7.078501
Abstract
Nonlinear effects can be enhanced and tailored on a subwavelength scale by taking advantage of high field confinement by selective coupling among resonant plasmonic nanostructures, called plasmonic nanoresonators and nanoantennas. In particular, we focus our attention on the process of second-harmonic (SH) generation. Excitation of localized surface plasmon polaritons at the fundamental frequency in these structures can remarkably modify the response of the system by enhancing surface and/or bulk nonlinear contributions to the overall SH field. Moreover, the radiation pattern of the generated field can be controlled and directed. Indeed, the overall structure behaves as a nonlinear nanoantenna for the SH harmonic field, whose emission pattern can be tailored.
© The Authors. Published by SPIE under a Creative Commons Attribution 3.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Marco Centini, Alessio Benedetti, "Second Harmonic Generation in Plasmonic Nanoresonators," Journal of Nanophotonics 7(1), 078501 (21 January 2013). https://doi.org/10.1117/1.JNP.7.078501 . Submission:
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