Multiband plasmonic absorber based on transverse phase resonances

Yanxia Cui; Kin Hung Fung; Jun Xu; Sailing He; Nicholas X. Fang

doi:10.1364/OE.20.017552

Multiband plasmonic absorber based on transverse phase resonances

Yanxia Cui, Kin Hung Fung, Jun Xu, Sailing He, Nicholas X. Fang

Research output: Journal article publication › Journal article › Academic research › peer-review

25 Citations (Scopus)

Abstract

We demonstrate a multiband plasmonic absorber based on transverse phase resonances. We show that the modification of conventional metallic surfaces of T-shape grooves can cause mode splitting of the plasmonic waveguide cavity modes due to lattice scattering and all the new resonant modes exhibit large absorbtivity greater than 90%. Some of the generated absorption peaks have wide-angle characteristics. Furthermore, we find that the proposed structure is fairly insensitive to the alignment error between different layers.

Original language	English
Pages (from-to)	17552-17559
Number of pages	8
Journal	Optics Express
Volume	20
Issue number	16
DOIs	https://doi.org/10.1364/OE.20.017552
Publication status	Published - 30 Jul 2012
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.20.017552

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AU - Xu, Jun

AU - He, Sailing

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AB - We demonstrate a multiband plasmonic absorber based on transverse phase resonances. We show that the modification of conventional metallic surfaces of T-shape grooves can cause mode splitting of the plasmonic waveguide cavity modes due to lattice scattering and all the new resonant modes exhibit large absorbtivity greater than 90%. Some of the generated absorption peaks have wide-angle characteristics. Furthermore, we find that the proposed structure is fairly insensitive to the alignment error between different layers.

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Multiband plasmonic absorber based on transverse phase resonances

Abstract

ASJC Scopus subject areas

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