Journal
OPTICS LETTERS
Volume 44, Issue 24, Pages 5909-5912Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.005909
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Funding
- Russian Science Foundation [19-12-00066]
- Russian Science Foundation [19-12-00066] Funding Source: Russian Science Foundation
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Plasmon multiple scattering within a disordered metaldielectric medium allows one to enhance a cubic susceptibility drastically, and thus stimulated Raman scattering (SRS) can occur in highly confined media exposed to the continuous-wave low-powered pump. In this study, a percolated 50 nm titanium oxynitride thin film is used as a disordered nonlinear metalens that meets epsilon-near-zero (ENZ) wavelengths in the visible and near infrared region. We experimentally demonstrate a far-field Raman superlensing effect by showing a subwavelength resolution of lambda/6NA at different SRS overtones using multiwalled carbon nanotubes directly dispersed on the metalens. (C) 2019 Optical Society of America
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