Nanograting-assisted generation of surface plasmon polaritons in Weyl semimetal WTe2

Tan, C, Yue, Z, Dai, Z, Bao, Q, Wang, X, Lu, H and Wang, L 2018, 'Nanograting-assisted generation of surface plasmon polaritons in Weyl semimetal WTe2', Optical Materials, vol. 86, pp. 421-423.

Document type: Journal Article
Collection: Journal Articles

Title Nanograting-assisted generation of surface plasmon polaritons in Weyl semimetal WTe2
Author(s) Tan, C
Yue, Z
Dai, Z
Bao, Q
Wang, X
Lu, H
Wang, L
Year 2018
Journal name Optical Materials
Volume number 86
Start page 421
End page 423
Total pages 3
Publisher Elsevier BV
Abstract Topological Weyl semimetals are a new class of quantum materials with 3D Dirac electronic states. A variety of novel electronic and optoelectronic properties have been observed in Weyl semimetals, which make them highly promising for future electronic, spintronic, and optoelectronic devices. Here, we report the generation of surface plasmon polaritons at visible wavelengths in the topological Weyl semimetal WTe2. We find that the plasmonic resonance can be distinctly formed in the WTe2 nanograting configuration. The resonance wavelength is dependent on the width of the nanograting. Our finding in the Weyl semimetal will open a new avenue for plasmonic control and devices in high frequency region.
Subject Electronic and Magnetic Properties of Condensed Matter; Superconductivity
Keyword(s) Nanograting
Surface plasmon polaritons
Weyl semimetals
WTe 2
DOI - identifier 10.1016/j.optmat.2018.10.042
Copyright notice © 2018 Elsevier B.V. All rights reserved.
ISSN 0925-3467
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