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Title: Tuning the dispersion of effective surface plasmon polaritons with multilayer systems
Authors: Li, Zhuo
Sun, Yunhe
Wang, Kuan
Song, Jiajia
Shi, Jianfeng
Gu, Changqing
Liu, Liangliang
Luo, Yu
Keywords: Surface Plasmon Polaritons
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Li, Z., Sun, Y., Wang, K., Song, J., Shi, J., Gu, C., . . . Luo, Y. (2018). Tuning the dispersion of effective surface plasmon polaritons with multilayer systems. Optics Express, 26(4), 4686-4697. doi:10.1364/OE.26.004686
Series/Report no.: Optics Express
Abstract: Recently, effective surface plasmon polaritons (ESPPs) induced by structural dispersion in bounded waveguides were theoretically demonstrated and experimentally verified. Despite the theoretical and experimental efforts, whether ESPPs can mimic real SPPs in every aspect still remains an open question. In this work, we go one step further to study the hybridization of ESPPs in multilayer systems. We consider transverse electric (TE) modes in a conventional rectangular waveguide and a parallel-plate waveguide (PPW) and derive analytically the dispersion relations and asymptotic frequencies of the corresponding ESPPs modes in sandwiched structures consisting of alternating dielectrics of different permittivities. Our results show that the ESPPs can be categorized into odd and even parities (owing to the ‘plasmon’ hybridization) in a similar way as natural SPPs supported by the insulator/metal/insulator (IMI) and metal/insulator/metal (MIM) heterostructures in the optical regime. The similarities and differences between ESSPs and their optical counterparts are also discussed in details, which may provide valuable guidance for future application of ESPPs at the microwave and terahertz frequencies.
ISSN: 1094-4087
DOI: 10.1364/OE.26.004686
Rights: © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for non-commercial purposes and appropriate attribution is maintained. All other rights are reserved.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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