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Plasmonic enhancement and control of optical nonlinearity in monolayer WS2
Conference paper

Plasmonic enhancement and control of optical nonlinearity in monolayer WS2

Wei-Yun Liang, Hyeyoung Ahn, Yungang Sang, Yanrong Wang, Jinwei Shi, Soniya S. Raja, Yi-Hsien Lee, Shangjr Gwo and Shangjr Gwo
Optics InfoBase Conference Papers, Vol.Part F92-CLEO_AT 2018
2018
DOI: https://doi.org/10.1364/CLEO_AT.2018.JTh2A.69

Abstract

Monolayers;Nonlinear optics;Optical data processing;Plasmonics;Plasmons;Tungsten compounds Electronic,Optical and Magnetic Materials,Mechanics of Materials
A giant SHG enhancement is achieved from monolayer-WS 2 incorporated onto 2D plasmonic metasurfaces (Ag-nanogroove-grating) in resonance with the excitonic resonance of monolayer-WS 2 . An optical encoding technique is demonstrated based on plasmonic manipulation of SHG polarization.

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