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Title: | Modal and wavelength conversions in plasmonic nanowires |
Authors: | Agreda, Adrian SHARMA, DEEPAK K.; Francs, Gerard Colas des KUMAR, G. V. PAVAN Bouhelier, Alexandre Dept. of Physics |
Keywords: | Physics 2021-MAY-WEEK1 TOC-MAY-2021 2021 |
Issue Date: | May-2021 |
Publisher: | Optica Publishing Group |
Citation: | Optics Express, 29(10), 15366-15381. |
Abstract: | We show that plasmonic nanowire-nanoparticle systems can perform nonlinear wavelength and modal conversions and potentially serve as building blocks for signal multiplexing and novel trafficking modalities. When a surface plasmon excited by a pulsed laser beam propagates in a nanowire, it generates a localized broadband nonlinear continuum at the nanowire surface as well as at active locations defined by sites where nanoparticles are absorbed (enhancement sites). The local response may couple to new sets of propagating modes enabling a complex routing of optical signals through modal and spectral conversions. Different aspects influencing the optical signal conversions are presented, including the parameters defining the local formation of the continuum and the subsequent modal routing in the nanowire. |
URI: | http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/5865 https://doi.org/10.1364/OE.421183 |
ISSN: | 1094-4087 |
Appears in Collections: | JOURNAL ARTICLES |
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