Tailoring Photoluminescence from MoS 2 Monolayers by Mie-Resonant Metasurfaces
Bucher, Tobias; Vaskin, Aleksandr; Mupparapu, Rajeshkumar; Löchner, Franz J. F.; George, Antony; Chong, Katie E.; Fasold, S.; Neumann, Christof; Choi, Duk-Yong; Eilenberger, Falk; Setzpfandt, Frank; Kivshar, Yuri; Pertsch, Thomas; Turchanin, Andrey; Staude, Isabelle
We experimentally investigate coupling of the photoluminescence (PL) from monolayers of MoS2 to Mie-resonant metasurfaces consisting of silicon nanocylinders. By a systematic variation of the nanocylinder diameter, we sweep the metasurface resonances over the excitonic emission band of monolayer MoS2. We observe strong enhancement, as well as spectral and directional reshaping of the emission. By a comprehensive optical characterization, we unveil the different physical factors, including...[Show more]
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