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Nanoscale light field imaging with graphene

Physics

Nanoscale light field imaging with graphene

T. Yu, F. Rodriguez, et al.

Discover an innovative nanoscale light field imaging technique that achieves an astonishing ~20 nm spatial resolution. This non-invasive method allows for precise mapping of electric field distributions in plasmonic structures and was developed by a team of researchers including Tongcheng Yu, Francisco Rodriguez, and Konstantin S. Novoselov.

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Playback language: English
Abstract
This paper presents a nanoscale light field imaging approach using photodetection with a p-n junction induced and moved within a graphene probe via gate voltage. Achieving ~20 nm spatial resolution, this technique is demonstrated by mapping the electric field distribution of a plasmonic slot-waveguide at telecom wavelengths. The method offers non-invasive, high-resolution, and precise nanoscale light field imaging.
Publisher
Communications Materials
Published On
Jun 29, 2022
Authors
Tongcheng Yu, Francisco Rodriguez, Fred Schedin, Vasyl G. Kravets, Vladimir A. Zenin, Sergey I. Bozhevolnyi, Konstantin S. Novoselov, Alexander N. Grigorenko
Tags
nanoscale imaging
light field
plasmonic structures
electric field distribution
graphene probe
high-resolution imaging
photodetection

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