Subwavelength modulational instability and plasmon oscillons in nanoparticle arrays

Roman E. Noskov; Pavel A. Belov; Yuri S. Kivshar

doi:10.1103/PhysRevLett.108.093901

Subwavelength modulational instability and plasmon oscillons in nanoparticle arrays

Roman E. Noskov^*, Pavel A. Belov, Yuri S. Kivshar

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We study modulational instability in nonlinear arrays of subwavelength metallic nanoparticles and analyze numerically nonlinear scenarios of the instability development. We demonstrate that modulational instability can lead to the formation of regular periodic or quasiperiodic modulations of the polarization. We reveal that such nonlinear nanoparticle arrays can support long-lived standing and moving oscillating nonlinear localized modes-plasmon oscillons.

Original language	English
Article number	093901
Journal	Physical Review Letters
Volume	108
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevLett.108.093901
State	Published - 28 Feb 2012
Externally published	Yes

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title = "Subwavelength modulational instability and plasmon oscillons in nanoparticle arrays",

abstract = "We study modulational instability in nonlinear arrays of subwavelength metallic nanoparticles and analyze numerically nonlinear scenarios of the instability development. We demonstrate that modulational instability can lead to the formation of regular periodic or quasiperiodic modulations of the polarization. We reveal that such nonlinear nanoparticle arrays can support long-lived standing and moving oscillating nonlinear localized modes-plasmon oscillons.",

author = "Noskov, {Roman E.} and Belov, {Pavel A.} and Kivshar, {Yuri S.}",

year = "2012",

month = feb,

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doi = "10.1103/PhysRevLett.108.093901",

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journal = "Physical Review Letters",

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AU - Noskov, Roman E.

AU - Belov, Pavel A.

AU - Kivshar, Yuri S.

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Y1 - 2012/2/28

N2 - We study modulational instability in nonlinear arrays of subwavelength metallic nanoparticles and analyze numerically nonlinear scenarios of the instability development. We demonstrate that modulational instability can lead to the formation of regular periodic or quasiperiodic modulations of the polarization. We reveal that such nonlinear nanoparticle arrays can support long-lived standing and moving oscillating nonlinear localized modes-plasmon oscillons.

AB - We study modulational instability in nonlinear arrays of subwavelength metallic nanoparticles and analyze numerically nonlinear scenarios of the instability development. We demonstrate that modulational instability can lead to the formation of regular periodic or quasiperiodic modulations of the polarization. We reveal that such nonlinear nanoparticle arrays can support long-lived standing and moving oscillating nonlinear localized modes-plasmon oscillons.

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Subwavelength modulational instability and plasmon oscillons in nanoparticle arrays

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