Broadband Infrared Imaging via Silicon Metasurfaces
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Zheng, Ze
Sanderson, Gabriel
Ying, Cuifeng
Koutsogeorgis, Demosthenes
Liu, Zixi
Oulton, Rupert
Huang, Lujun
Yousefi, Arman
Smirnova, Daria
Miroshnichenko, Andrey E.
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We demonstrate an innovative platform with nonlinear metasurfaces to convert images from broadband mid-infrared (2200-4000 nm) to visible via four-wave mixing. We minimise high-power signal requirements by tailoring the resonant metasurface at the pump wavelength.
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