Selective remote-excitation of gap mode in metallic nanowire-nanoparticle system using chiral surface plasmon polaritons

Chao Meng; Fanfan Lu; Wending Zhang; Junqiao Wang; Dong Mao; Feng Gao; Ting Mei; Jianlin Zhao

doi:10.1109/JQE.2020.3026491

Selective remote-excitation of gap mode in metallic nanowire-nanoparticle system using chiral surface plasmon polaritons

Chao Meng, Fanfan Lu, Wending Zhang, Junqiao Wang, Dong Mao, Feng Gao, Ting Mei, Jianlin Zhao

School of Physical Science and Technology

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

9 Scopus citations

Abstract

We theoretically present the selective remote-excitation of the gap mode in the silver nanowire-nanoparticle (Ag NW-NP) system based on the excitation of the ±1-order chiral surface plasmonic polaritons (SPPs) modes, which have the crescent-shaped transverse intensity distributions and the helical propagation traces. When the gap mode at junction between the Ag-NW and the Ag-NP is excited via the +1-order chiral SPPs mode, the -1-order chiral SPP mode cannot effectively excite the gap mode, because the propagation traces of the ±1-order spiral SPPs modes have complementary intensity distributions. This selective remote-excitation method may be used in the nanowire photonics and nano-optical spectroscopy.

Original language	English
Article number	9205239
Journal	IEEE Journal of Quantum Electronics
Volume	56
Issue number	6
DOIs	https://doi.org/10.1109/JQE.2020.3026491
State	Published - Dec 2020

Keywords

gap mode
metallic nanoparticle
metallic nanowire
Surface plasmon polaritons

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10.1109/JQE.2020.3026491

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title = "Selective remote-excitation of gap mode in metallic nanowire-nanoparticle system using chiral surface plasmon polaritons",

abstract = "We theoretically present the selective remote-excitation of the gap mode in the silver nanowire-nanoparticle (Ag NW-NP) system based on the excitation of the ±1-order chiral surface plasmonic polaritons (SPPs) modes, which have the crescent-shaped transverse intensity distributions and the helical propagation traces. When the gap mode at junction between the Ag-NW and the Ag-NP is excited via the +1-order chiral SPPs mode, the -1-order chiral SPP mode cannot effectively excite the gap mode, because the propagation traces of the ±1-order spiral SPPs modes have complementary intensity distributions. This selective remote-excitation method may be used in the nanowire photonics and nano-optical spectroscopy.",

keywords = "gap mode, metallic nanoparticle, metallic nanowire, Surface plasmon polaritons",

author = "Chao Meng and Fanfan Lu and Wending Zhang and Junqiao Wang and Dong Mao and Feng Gao and Ting Mei and Jianlin Zhao",

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T1 - Selective remote-excitation of gap mode in metallic nanowire-nanoparticle system using chiral surface plasmon polaritons

AU - Meng, Chao

AU - Lu, Fanfan

AU - Zhang, Wending

AU - Wang, Junqiao

AU - Mao, Dong

AU - Gao, Feng

AU - Mei, Ting

AU - Zhao, Jianlin

PY - 2020/12

Y1 - 2020/12

N2 - We theoretically present the selective remote-excitation of the gap mode in the silver nanowire-nanoparticle (Ag NW-NP) system based on the excitation of the ±1-order chiral surface plasmonic polaritons (SPPs) modes, which have the crescent-shaped transverse intensity distributions and the helical propagation traces. When the gap mode at junction between the Ag-NW and the Ag-NP is excited via the +1-order chiral SPPs mode, the -1-order chiral SPP mode cannot effectively excite the gap mode, because the propagation traces of the ±1-order spiral SPPs modes have complementary intensity distributions. This selective remote-excitation method may be used in the nanowire photonics and nano-optical spectroscopy.

AB - We theoretically present the selective remote-excitation of the gap mode in the silver nanowire-nanoparticle (Ag NW-NP) system based on the excitation of the ±1-order chiral surface plasmonic polaritons (SPPs) modes, which have the crescent-shaped transverse intensity distributions and the helical propagation traces. When the gap mode at junction between the Ag-NW and the Ag-NP is excited via the +1-order chiral SPPs mode, the -1-order chiral SPP mode cannot effectively excite the gap mode, because the propagation traces of the ±1-order spiral SPPs modes have complementary intensity distributions. This selective remote-excitation method may be used in the nanowire photonics and nano-optical spectroscopy.

KW - gap mode

KW - metallic nanoparticle

KW - metallic nanowire

KW - Surface plasmon polaritons

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DO - 10.1109/JQE.2020.3026491

M3 - 文章

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SN - 0018-9197

VL - 56

JO - IEEE Journal of Quantum Electronics

JF - IEEE Journal of Quantum Electronics

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M1 - 9205239

ER -

Selective remote-excitation of gap mode in metallic nanowire-nanoparticle system using chiral surface plasmon polaritons

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