Cathodoluminescence Nanoscopy: State of the Art and Beyond

Dang, Zhibo; Chen, Yuxiang; Fang, Zheyu

doi:10.1021/acsnano.3c07593

ACS Nano

2023

DOI: 10.1021/acsnano.3c07593

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Cathodoluminescence Nanoscopy: State of the Art and Beyond

Zhibo Dang,

Yuxiang Chen,

Zheyu Fang

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2024

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Germanium Fabry-Perot nanoresonators investigated by cathodoluminescence spectroscopy

Mignuzzi,

Wu,

Hecht

et al. 2024

J. Eur. Opt. Society-Rapid Publ.

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We report on the experimental investigation, by means of spatially-resolved cathodoluminescence spectroscopy, of rectangular all-dielectric Ge nanoantennas sustaining Fabry-Perot resonances. The combination of spatial and spectral resolution allows us to directly image the standing-wave pattern of the local density of optical states inside the nanoantennas, which is the fingerprint of the resonant Purcell contribution to the overall emission enhancement previously reported in the literature for the same structures. Our results confirm that the emission properties of Ge nanostructures can be effectively tuned by engineering the local density of optical states and that cathodoluminescence provides valuable information to experimentally address such modulation in their emission properties.

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Germanium Fabry-Perot nanoresonators investigated by cathodoluminescence spectroscopy

Mignuzzi,

Wu,

Hecht

et al. 2024

J. Eur. Opt. Society-Rapid Publ.

View full text Add to dashboard Cite

show abstract

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Cathodoluminescence Nanoscopy: State of the Art and Beyond

Cited by 1 publication

References 201 publications

Germanium Fabry-Perot nanoresonators investigated by cathodoluminescence spectroscopy

Germanium Fabry-Perot nanoresonators investigated by cathodoluminescence spectroscopy

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