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Van de Groep Lab

2D Nanophotonics @ UvA

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Kian Goeloe joined our group as a M.Sc. student. Welcome!

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Tom Hoekstra joined our group as a M.Sc. student. Welcome!

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Exciton resonance tuning of an atomically thin lens

In our latest Nature Photonics paper we demonstrate how exciton resonances in monolayer 2D semiconductor can be used to realise large-area atomically-thin lenses with a tuneable intensity in the focus!
See also the news item on the IoP website.

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Ludovica Guarneri joined our group as a Ph.D. candidate. Welcome!

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Nella Diepeveen joined our group as a B.Sc. student. Welcome!

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Dynamic tuning of gap plasmon resonances using a solid-state electrochromic device

By coupling gap plasmons in aluminium plasmonic nanoparticle arrays with an ultra-thin layer of electrochromic WO3, we demonstrate how one can electrochemically tune the structural color of a completely solid-state device! Our results have recently been published in Nano Letters.

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Transparent multispectral photodetectors mimicking the human visual system

In our recent paper in Nature Communications we demonstrate a transparent photodetector with color and polarisation detection, by using a new type of optical resonance in silicon nanowire arrays!

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