Beyond the hybridization effects in plasmonic nanoclusters: Diffraction-induced enhanced absorption and scattering

Mohsen Rahmani; Andrey E. Miroshnichenko; Dang Yuan Lei; Boris Luk'Yanchuk; Michael I. Tribelsky; Arseniy I. Kuznetsov; Yuri S. Kivshar; Yan Francescato; Vincenzo Giannini; Minghui Hong; Stefan A. Maier

doi:10.1002/smll.201301419

Beyond the hybridization effects in plasmonic nanoclusters: Diffraction-induced enhanced absorption and scattering

Mohsen Rahmani, Andrey E. Miroshnichenko, Dang Yuan Lei, Boris Luk'Yanchuk, Michael I. Tribelsky, Arseniy I. Kuznetsov, Yuri S. Kivshar, Yan Francescato, Vincenzo Giannini, Minghui Hong, Stefan A. Maier^*

^*Corresponding author for this work

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

32 Citations (Scopus)

Abstract

It is demonstrated hererin both theoretically and experimentally that Young's interference can be observed in plasmonic structures when two or three nanoparticles with separation on the order of the wavelength are illuminated simultaneously by a plane wave. This effect leads to the formation of intermediate-field hybridized modes with a character distinct of those mediated by near-field and/or far-field radiative effects. The physical mechanism for the enhancement of absorption and scattering of light due to plasmonic Young's interference is revealed, which we explain through a redistribution of the Poynting vector field and the formation of near-field subwavelength optical vortices.

Original language	English
Pages (from-to)	576-583
Number of pages	8
Journal	Small
Volume	10
Issue number	3
DOIs	https://doi.org/10.1002/smll.201301419
Publication status	Published - 12 Feb 2014

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title = "Beyond the hybridization effects in plasmonic nanoclusters: Diffraction-induced enhanced absorption and scattering",

abstract = "It is demonstrated hererin both theoretically and experimentally that Young's interference can be observed in plasmonic structures when two or three nanoparticles with separation on the order of the wavelength are illuminated simultaneously by a plane wave. This effect leads to the formation of intermediate-field hybridized modes with a character distinct of those mediated by near-field and/or far-field radiative effects. The physical mechanism for the enhancement of absorption and scattering of light due to plasmonic Young's interference is revealed, which we explain through a redistribution of the Poynting vector field and the formation of near-field subwavelength optical vortices.",

keywords = "Young's interference, plasmon hybridization, sub-wavelength nanostructures, surface plasmons",

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T1 - Beyond the hybridization effects in plasmonic nanoclusters

T2 - Diffraction-induced enhanced absorption and scattering

AU - Rahmani, Mohsen

AU - Miroshnichenko, Andrey E.

AU - Lei, Dang Yuan

AU - Luk'Yanchuk, Boris

AU - Tribelsky, Michael I.

AU - Kuznetsov, Arseniy I.

AU - Kivshar, Yuri S.

AU - Francescato, Yan

AU - Giannini, Vincenzo

AU - Hong, Minghui

AU - Maier, Stefan A.

PY - 2014/2/12

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N2 - It is demonstrated hererin both theoretically and experimentally that Young's interference can be observed in plasmonic structures when two or three nanoparticles with separation on the order of the wavelength are illuminated simultaneously by a plane wave. This effect leads to the formation of intermediate-field hybridized modes with a character distinct of those mediated by near-field and/or far-field radiative effects. The physical mechanism for the enhancement of absorption and scattering of light due to plasmonic Young's interference is revealed, which we explain through a redistribution of the Poynting vector field and the formation of near-field subwavelength optical vortices.

AB - It is demonstrated hererin both theoretically and experimentally that Young's interference can be observed in plasmonic structures when two or three nanoparticles with separation on the order of the wavelength are illuminated simultaneously by a plane wave. This effect leads to the formation of intermediate-field hybridized modes with a character distinct of those mediated by near-field and/or far-field radiative effects. The physical mechanism for the enhancement of absorption and scattering of light due to plasmonic Young's interference is revealed, which we explain through a redistribution of the Poynting vector field and the formation of near-field subwavelength optical vortices.

KW - Young's interference

KW - plasmon hybridization

KW - sub-wavelength nanostructures

KW - surface plasmons

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DO - 10.1002/smll.201301419

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VL - 10

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JO - Small

JF - Small

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ER -

Beyond the hybridization effects in plasmonic nanoclusters: Diffraction-induced enhanced absorption and scattering

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