Fabry-Perot tuning of the band-gap polarity in plasmonic crystals

Jin E. Kihm; Y. C. Yoon; D. J. Park; Y. H. Ahn; C. Ropers; C. Lienau; J. Kim; Q. H. Park; D. S. Kim

doi:10.1103/PhysRevB.75.035414

Fabry-Perot tuning of the band-gap polarity in plasmonic crystals

Jin E. Kihm, Y. C. Yoon, D. J. Park, Y. H. Ahn, C. Ropers, C. Lienau, J. Kim, Q. H. Park, D. S. Kim

Department of Physics

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

29 Citations (Scopus)

Abstract

We report experimental observation of Fabry-Perot resonances and Fabry-Perot-induced band-structure flipping in quasi-one-dimensional plasmonic crystals. Angle-resolved transmission spectra of nanoslit arrays in metal films demonstrate band-gap formation resulting from surface plasmon polariton couplings mediated via nanometer-sized waveguide channels. Tuning the waveguide dielectric function and thickness allows for a pronounced resonant enhancement of the coupling strength and band-gap energy and may even induce changes in sign of the coupling-i.e., an effective band-gap flipping. Our results indicate an interesting route towards band-gap engineering in plasmonic crystals.

Original language	English
Article number	035414
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	75
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevB.75.035414
Publication status	Published - 2007

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.75.035414

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title = "Fabry-Perot tuning of the band-gap polarity in plasmonic crystals",

abstract = "We report experimental observation of Fabry-Perot resonances and Fabry-Perot-induced band-structure flipping in quasi-one-dimensional plasmonic crystals. Angle-resolved transmission spectra of nanoslit arrays in metal films demonstrate band-gap formation resulting from surface plasmon polariton couplings mediated via nanometer-sized waveguide channels. Tuning the waveguide dielectric function and thickness allows for a pronounced resonant enhancement of the coupling strength and band-gap energy and may even induce changes in sign of the coupling-i.e., an effective band-gap flipping. Our results indicate an interesting route towards band-gap engineering in plasmonic crystals.",

author = "Kihm, {Jin E.} and Yoon, {Y. C.} and Park, {D. J.} and Ahn, {Y. H.} and C. Ropers and C. Lienau and J. Kim and Park, {Q. H.} and Kim, {D. S.}",

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doi = "10.1103/PhysRevB.75.035414",

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AU - Kihm, Jin E.

AU - Yoon, Y. C.

AU - Park, D. J.

AU - Ahn, Y. H.

AU - Ropers, C.

AU - Lienau, C.

AU - Kim, J.

AU - Park, Q. H.

AU - Kim, D. S.

PY - 2007

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N2 - We report experimental observation of Fabry-Perot resonances and Fabry-Perot-induced band-structure flipping in quasi-one-dimensional plasmonic crystals. Angle-resolved transmission spectra of nanoslit arrays in metal films demonstrate band-gap formation resulting from surface plasmon polariton couplings mediated via nanometer-sized waveguide channels. Tuning the waveguide dielectric function and thickness allows for a pronounced resonant enhancement of the coupling strength and band-gap energy and may even induce changes in sign of the coupling-i.e., an effective band-gap flipping. Our results indicate an interesting route towards band-gap engineering in plasmonic crystals.

AB - We report experimental observation of Fabry-Perot resonances and Fabry-Perot-induced band-structure flipping in quasi-one-dimensional plasmonic crystals. Angle-resolved transmission spectra of nanoslit arrays in metal films demonstrate band-gap formation resulting from surface plasmon polariton couplings mediated via nanometer-sized waveguide channels. Tuning the waveguide dielectric function and thickness allows for a pronounced resonant enhancement of the coupling strength and band-gap energy and may even induce changes in sign of the coupling-i.e., an effective band-gap flipping. Our results indicate an interesting route towards band-gap engineering in plasmonic crystals.

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JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

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ER -

Fabry-Perot tuning of the band-gap polarity in plasmonic crystals

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