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Dynamical Manipulation of Surface Plasmon Polaritons

Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Device, College of Physics and Electronics, Shandong Normal University, Jinan 250014, China
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Appl. Sci. 2019, 9(16), 3297; https://doi.org/10.3390/app9163297
Received: 12 July 2019 / Revised: 30 July 2019 / Accepted: 8 August 2019 / Published: 11 August 2019
(This article belongs to the Special Issue Recent Advances in Statistical Optics and Plasmonics)
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Abstract

As the fundamental and promising branch of nanophotonics, surface plasmon polaritons (SPP) with the ability of manipulating the electromagnetic field on the subwavelength scale are of interest to a wide spectrum of scientists. Composed of metallic or dielectric structures whose shape and position are carefully engineered on the metal surface, traditional SPP devices are generally static and lack tunability. Dynamical manipulation of SPP is meaningful in both fundamental research and practical applications. In this article, the achievements in dynamical SPP excitation, SPP focusing, SPP vortex, and SPP nondiffracting beams are presented. The mechanisms of dynamical SPP devices are revealed and compared, and future perspectives are discussed. View Full-Text
Keywords: surface plasmon polaritons; dynamical modulation; excitation; focusing; vortex; nondiffracting beam surface plasmon polaritons; dynamical modulation; excitation; focusing; vortex; nondiffracting beam
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Wang, S.; Zhao, C.; Li, X. Dynamical Manipulation of Surface Plasmon Polaritons. Appl. Sci. 2019, 9, 3297.

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