Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure

Zheyu Fang; Yanwei Lu; Linran Fan; Chenfang Lin; Xing Zhu

doi:10.1007/s11468-009-9115-1

Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure

Zheyu Fang, Yanwei Lu, Linran Fan, Chenfang Lin, Xing Zhu

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

34 Scopus citations

Abstract

The surface plasmon polariton (SPP) coupling and enhancement in silver nanowire-nanoantenna structure is proposed and simulated by using finite difference time domain method. The results demonstrate that three-arm antenna can effectively enhance the coupling efficiency at the incident end and the SPP field intensity at the emission end. The enhancement factor, which is defined as the ratio of the SPP field intensity at the emission end with and without the three-arm antenna, for the various antenna arm lengths and incident wavelengths under different incident angles are calculated. The suggested structure can be served as an enhanced plasmonic waveguide for the nanophotonic and plasmonic circuits in the future.

Original language	English (US)
Pages (from-to)	57-62
Number of pages	6
Journal	Plasmonics
Volume	5
Issue number	1
DOIs	https://doi.org/10.1007/s11468-009-9115-1
State	Published - Mar 2010
Externally published	Yes

Keywords

Metal optics
Subwavelength structure
Surface plasmon polariton
Waveguide

ASJC Scopus subject areas

Biotechnology
Biophysics
Biochemistry

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10.1007/s11468-009-9115-1

Cite this

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title = "Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure",

abstract = "The surface plasmon polariton (SPP) coupling and enhancement in silver nanowire-nanoantenna structure is proposed and simulated by using finite difference time domain method. The results demonstrate that three-arm antenna can effectively enhance the coupling efficiency at the incident end and the SPP field intensity at the emission end. The enhancement factor, which is defined as the ratio of the SPP field intensity at the emission end with and without the three-arm antenna, for the various antenna arm lengths and incident wavelengths under different incident angles are calculated. The suggested structure can be served as an enhanced plasmonic waveguide for the nanophotonic and plasmonic circuits in the future.",

keywords = "Metal optics, Subwavelength structure, Surface plasmon polariton, Waveguide",

author = "Zheyu Fang and Yanwei Lu and Linran Fan and Chenfang Lin and Xing Zhu",

note = "Funding Information: Acknowledgments The work is supported by National Science Foundation of China (10574002), National Basic Research Program of China (973 Program; 2007CB936800), and Undergraduate Scientific Training Program Funding of Peking University.",

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doi = "10.1007/s11468-009-9115-1",

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T1 - Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure

AU - Fang, Zheyu

AU - Lu, Yanwei

AU - Fan, Linran

AU - Lin, Chenfang

AU - Zhu, Xing

N1 - Funding Information: Acknowledgments The work is supported by National Science Foundation of China (10574002), National Basic Research Program of China (973 Program; 2007CB936800), and Undergraduate Scientific Training Program Funding of Peking University.

PY - 2010/3

Y1 - 2010/3

N2 - The surface plasmon polariton (SPP) coupling and enhancement in silver nanowire-nanoantenna structure is proposed and simulated by using finite difference time domain method. The results demonstrate that three-arm antenna can effectively enhance the coupling efficiency at the incident end and the SPP field intensity at the emission end. The enhancement factor, which is defined as the ratio of the SPP field intensity at the emission end with and without the three-arm antenna, for the various antenna arm lengths and incident wavelengths under different incident angles are calculated. The suggested structure can be served as an enhanced plasmonic waveguide for the nanophotonic and plasmonic circuits in the future.

AB - The surface plasmon polariton (SPP) coupling and enhancement in silver nanowire-nanoantenna structure is proposed and simulated by using finite difference time domain method. The results demonstrate that three-arm antenna can effectively enhance the coupling efficiency at the incident end and the SPP field intensity at the emission end. The enhancement factor, which is defined as the ratio of the SPP field intensity at the emission end with and without the three-arm antenna, for the various antenna arm lengths and incident wavelengths under different incident angles are calculated. The suggested structure can be served as an enhanced plasmonic waveguide for the nanophotonic and plasmonic circuits in the future.

KW - Metal optics

KW - Subwavelength structure

KW - Surface plasmon polariton

KW - Waveguide

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Surface plasmon polariton enhancement in silver nanowire-nanoantenna structure

Abstract

Keywords

ASJC Scopus subject areas

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