Chiral-Selective Tamm Plasmon Polaritons

Chiral-selective Tamm plasmon polariton (TPP) has been investigated at the interface between a cholesteric liquid crystal and a metasurface. Different from conventional TPP that occurs with distributed Bragg reflectors and metals, the chiral–achiral TPP is successfully demonstrated. The design of th...

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Published inMaterials Vol. 14; no. 11; p. 2788
Main Authors Lin, Meng-Ying, Xu, Wen-Hui, Bikbaev, Rashid G., Yang, Jhen-Hong, Li, Chang-Ruei, Timofeev, Ivan V., Lee, Wei, Chen, Kuo-Ping
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 24.05.2021
MDPI
Subjects
Bragg reflectors
chirality
Cholesteric liquid crystals
Electric fields
Handedness
Light
metasurfaces
Optics
Phase matching
Polaritons
tamm plasmon polaritons
Wave plates
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Summary:Chiral-selective Tamm plasmon polariton (TPP) has been investigated at the interface between a cholesteric liquid crystal and a metasurface. Different from conventional TPP that occurs with distributed Bragg reflectors and metals, the chiral–achiral TPP is successfully demonstrated. The design of the metasurface as a reflective half-wave plate provides phase and polarization matching. Accordingly, a strong localized electric field and sharp resonance are observed and proven to be widely tunable.
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ISSN:1996-1944
1996-1944
DOI:10.3390/ma14112788