High-Q Plasmonic Resonances: Fundamentals and Applications

Baoqing Wang; Peng Yu; Wenhao Wang; Xutao Zhang; Hao-Chung Kuo; Hongxing Xu; Zhiming M. Wang

doi:10.1002/adom.202001520

High-Q Plasmonic Resonances: Fundamentals and Applications

Baoqing Wang, Peng Yu^*, Wenhao Wang, Xutao Zhang, Hao-Chung Kuo, Hongxing Xu, Zhiming M. Wang

^*Corresponding author for this work

Department of Photonics

Research output: Contribution to journal › Review article › peer-review

130 Scopus citations

Abstract

Subwavelength confinement of light with plasmonics is promising for nanophotonics and optoelectronics. However, it is nontrivial to obtain narrow plasmonic resonances due to the intrinsically high optical losses and radiative damping in metallic structures. In this review, a thorough summary of the recent research progress on achieving high-quality (high-Q) factor plasmonic resonances is provided, emphasizing the fundamentals and six resonant mode types, including surface lattice resonances, multipolar resonances, plasmonic Fano resonances, plasmon-induced transparency, guided-mode resonances, and Tamm plasmon resonances. The applications of high-Q plasmonic resonances in spectrally selective thermal emission, sensing, single-photon emission, filtering, and band-edge lasing are also discussed.

Original language	English
Article number	2001520
Pages (from-to)	1-30
Number of pages	30
Journal	Advanced Optical Materials
Volume	9
Issue number	7
DOIs	https://doi.org/10.1002/adom.202001520
State	Published - 6 Apr 2021

Keywords

high quality factors
low optical loss
narrow resonance
plasmonic resonances
resonant mechanisms

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10.1002/adom.202001520

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AU - Wang, Baoqing

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AU - Wang, Wenhao

AU - Zhang, Xutao

AU - Kuo, Hao-Chung

AU - Xu, Hongxing

AU - Wang, Zhiming M.

PY - 2021/4/6

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AB - Subwavelength confinement of light with plasmonics is promising for nanophotonics and optoelectronics. However, it is nontrivial to obtain narrow plasmonic resonances due to the intrinsically high optical losses and radiative damping in metallic structures. In this review, a thorough summary of the recent research progress on achieving high-quality (high-Q) factor plasmonic resonances is provided, emphasizing the fundamentals and six resonant mode types, including surface lattice resonances, multipolar resonances, plasmonic Fano resonances, plasmon-induced transparency, guided-mode resonances, and Tamm plasmon resonances. The applications of high-Q plasmonic resonances in spectrally selective thermal emission, sensing, single-photon emission, filtering, and band-edge lasing are also discussed.

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KW - low optical loss

KW - narrow resonance

KW - plasmonic resonances

KW - resonant mechanisms

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High-Q Plasmonic Resonances: Fundamentals and Applications

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