Coupling of plasmonic and optical cavity modes in quasi-three-dimensional plasmonic crystals

Debashis Chanda; Kazuki Shigeta; Tu Truong; Eric Lui; Agustin Mihi; Matthew Schulmerich; Paul V. Braun; Rohit Bhargava; John A. Rogers

doi:10.1038/ncomms1487

Coupling of plasmonic and optical cavity modes in quasi-three-dimensional plasmonic crystals

Debashis Chanda, Kazuki Shigeta, Tu Truong, Eric Lui, Agustin Mihi, Matthew Schulmerich, Paul V. Braun, Rohit Bhargava, John A. Rogers

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Abstract

The field of plasmonics has emerged as an interesting area for fundamental studies, with important application possibilities in miniaturized photonic components. Plasmonic crystals are of particular relevance because of large field enhancements and extraordinary transmission that arise from plasmonic interactions between periodic arrays of metallic elements. Here we report methods to enhance and modify the plasmonic resonances in such structures by strongly coupling them to optical modes of Fabry - Perot type cavities. First, we illustrate a type of plasmonic, narrow-band (∼15 nm), high-contrast (>20 dB) absorber and an opto-fluidic modulator based on this component. Second, we use optimized samples as substrates to achieve strong amplification (>350%) and modulation (>4×) of surface-enhanced Raman scattering from surface-bound monolayers. Cavity-coupling strategies appear to be useful not only in these two examples, but also in applications of plasmonics for optoelectronics, photovoltaics and related technologies.

Original language	English (US)
Article number	479
Journal	Nature communications
Volume	2
Issue number	1
DOIs	https://doi.org/10.1038/ncomms1487
State	Published - 2011

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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10.1038/ncomms1487

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abstract = "The field of plasmonics has emerged as an interesting area for fundamental studies, with important application possibilities in miniaturized photonic components. Plasmonic crystals are of particular relevance because of large field enhancements and extraordinary transmission that arise from plasmonic interactions between periodic arrays of metallic elements. Here we report methods to enhance and modify the plasmonic resonances in such structures by strongly coupling them to optical modes of Fabry - Perot type cavities. First, we illustrate a type of plasmonic, narrow-band (∼15 nm), high-contrast (>20 dB) absorber and an opto-fluidic modulator based on this component. Second, we use optimized samples as substrates to achieve strong amplification (>350%) and modulation (>4×) of surface-enhanced Raman scattering from surface-bound monolayers. Cavity-coupling strategies appear to be useful not only in these two examples, but also in applications of plasmonics for optoelectronics, photovoltaics and related technologies.",

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AU - Shigeta, Kazuki

AU - Truong, Tu

AU - Lui, Eric

AU - Mihi, Agustin

AU - Schulmerich, Matthew

AU - Braun, Paul V.

AU - Bhargava, Rohit

AU - Rogers, John A.

PY - 2011

Y1 - 2011

N2 - The field of plasmonics has emerged as an interesting area for fundamental studies, with important application possibilities in miniaturized photonic components. Plasmonic crystals are of particular relevance because of large field enhancements and extraordinary transmission that arise from plasmonic interactions between periodic arrays of metallic elements. Here we report methods to enhance and modify the plasmonic resonances in such structures by strongly coupling them to optical modes of Fabry - Perot type cavities. First, we illustrate a type of plasmonic, narrow-band (∼15 nm), high-contrast (>20 dB) absorber and an opto-fluidic modulator based on this component. Second, we use optimized samples as substrates to achieve strong amplification (>350%) and modulation (>4×) of surface-enhanced Raman scattering from surface-bound monolayers. Cavity-coupling strategies appear to be useful not only in these two examples, but also in applications of plasmonics for optoelectronics, photovoltaics and related technologies.

AB - The field of plasmonics has emerged as an interesting area for fundamental studies, with important application possibilities in miniaturized photonic components. Plasmonic crystals are of particular relevance because of large field enhancements and extraordinary transmission that arise from plasmonic interactions between periodic arrays of metallic elements. Here we report methods to enhance and modify the plasmonic resonances in such structures by strongly coupling them to optical modes of Fabry - Perot type cavities. First, we illustrate a type of plasmonic, narrow-band (∼15 nm), high-contrast (>20 dB) absorber and an opto-fluidic modulator based on this component. Second, we use optimized samples as substrates to achieve strong amplification (>350%) and modulation (>4×) of surface-enhanced Raman scattering from surface-bound monolayers. Cavity-coupling strategies appear to be useful not only in these two examples, but also in applications of plasmonics for optoelectronics, photovoltaics and related technologies.

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Coupling of plasmonic and optical cavity modes in quasi-three-dimensional plasmonic crystals

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