Focusing the electromagnetic field to 10−6 λ for ultra-high enhancement of field-matter interaction

Xiang-Dong Chen; En-Hui Wang; Long-Kun Shan; Ce Feng; Yu Zheng; Yang Dong; Guang-Can Guo; Fang-Wen Sun

doi:10.1038/s41467-021-26662-5

Nature Communications (Nov 2021)

Focusing the electromagnetic field to 10−6 λ for ultra-high enhancement of field-matter interaction

Xiang-Dong Chen,
En-Hui Wang,
Long-Kun Shan,
Ce Feng,
Yu Zheng,
Yang Dong,
Guang-Can Guo,
Fang-Wen Sun

Affiliations

Xiang-Dong Chen: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
En-Hui Wang: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Long-Kun Shan: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Ce Feng: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Yu Zheng: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Yang Dong: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Guang-Can Guo: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China
Fang-Wen Sun: CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China

DOI: https://doi.org/10.1038/s41467-021-26662-5
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 7

Abstract

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Subwavelength focusing of electromagnetic fields often uses evanescent waves and nanostructures to aid confinement. Here, the authors localize a microwave field to 6 orders of magnitude smaller than the wavelength, by coupling to confined electron oscillations in a hybrid nanowire-bowtie antenna.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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