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Title: Plasmon-induced transparency in an asymmetric bowtie structure
Authors: Wei, W 
Yan, X
Shen, B
Zhang, X
Issue Date: 2019
Source: Nanoscale research letters, 23 July 2019, v. 14, 246, p. 1-6
Abstract: Plasmon-induced transparency is an efficient way to mimic electromagnetically induced transparency, which can eliminate the opaque effect of medium to the propagating electromagnetic wave. We proposed an aperture-side-coupled asymmetric bowtie structure to realize on-chip plasmon-induced transparency in optical communications band. The plasmon-induced transparency results from the strong coupling between the detuned bowtie triangular resonators. Either of the resonator works as a Fabry-Perot cavity with compact dimensions. The transparent peak wavelength can be easily controlled due to its strong linear relation with the resonator height. The ratio of absorption valley to the transparent peak can be more than 10dB. Moreover, with excellent linearity of shifting wavelength to sensing material index, the device has great sensing performance and immunity to the structure deviations.
Keywords: Surface plasmons
Plasmon-induced transparency
Electromagnetically induced transparency
Publisher: Springer
Journal: Nanoscale research letters 
ISSN: 1931-7573
EISSN: 1556-276X
DOI: 10.1186/s11671-019-3081-0
Rights: © The Author(s). 2019 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
The following publication Wei, W., Yan, X., Shen, B., & Zhang, X. (2019). Plasmon-induced transparency in an asymmetric bowtie structure. Nanoscale Research Letters, 14, 246, 1-6 is available at
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