Observation of Extraordinary SHG from WS2 Monolayers Boosted by Optical Bound States in the Continuum

Authors :: Sejeong Kim
Trong Toan Tran
Alexander S. Solntsev
Yuri S. Kivshar
Simon J. U. White
Nils Bernhardt
Kelvin Wong Choon Meng
Kirill Koshelev
Johannes E. Fröch
Duk-Yong Choi
Source :: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020).
Publication Year :: 2020
Publisher :: Optica Publishing Group, 2020.
Abstract: Integrating WS2 monolayers with resonant silicon metasurfaces hosting optical bound states in the continuum, we observe a strong increase of the second-harmonic intensity by a factor exceeding 1100.

Subjects :: Physics
Silicon
Continuum (design consultancy)
Physics::Optics
chemistry.chemical_element
Second-harmonic generation
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Molecular physics
010309 optics
chemistry
Electric field
Q factor
0103 physical sciences
Bound state
Monolayer
0210 nano-technology
Intensity (heat transfer)

Database :: OpenAIRE
Journal :: 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020)
Accession number :: edsair.doi...........7f43abfef7cc49bd0848c882378ec3d4
Full Text :: https://doi.org/10.1364/cleopr.2020.c7b_1

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