The DOI matches its Crossref record; 39 of the 39 references it cites were found in a registry or an index.
Ultrafast spontaneous emission source using plasmonic nanoantennas
Open accessAbstract
Typical emitters such as molecules, quantum dots and semiconductor quantum wells have slow spontaneous emission with lifetimes of 1–10 ns, creating a mismatch with high-speed nanoscale optoelectronic devices such as light-emitting diodes, single-photon sources and lasers. Here we experimentally demonstrate an ultrafast (<11 ps) yet efficient source of spontaneous emission, corresponding to an emission rate exceeding 90 GHz, using a hybrid structure of single plasmonic nanopatch antennas coupled to colloidal quantum dots. The antennas consist of silver nanocubes coupled to a gold film separated by a thin polymer spacer layer and colloidal core–shell quantum dots, a stable and technologically relevant emitter. We show an increase in the spontaneous emission rate of a factor of 880 and simultaneously a 2,300-fold enhancement in the total fluorescence intensity, which indicates a high radiative quantum efficiency of ∼50%. The nanopatch antenna geometry can be tuned from the visible to the near infrared, providing a promising approach for nanophotonics based on ultrafast spontaneous emission.
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Cites
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Probing the mechanisms of large Purcell enhancement in plasmonic nanoantennas
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Shrinking light to allow forbidden transitions on the atomic scale
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Luminescent detector for free-space optical communication
Peyronel, T., Quirk, K. J., Wang, S. C., & Tiecke, T. G. (2016) · Optica · doi:10.1364/optica.3.000787 · Cited by 110
Metadata
- Authors
- Hoang, T. B., Akselrod, G. M., Argyropoulos, C., Huang, J., Smith, D. R., & Mikkelsen, M. H.
- Venue
- Nature Communications
- Published
- 2015-07-27
- Volume
- 6
- Issue
- 1
- Pages
- 7788-7788
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W1023650811
- Cited by
- 473
- References
- 39
- FWCI
- 22.18
- Type
- journal article
- Language
- en
- Open access
- gold
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- Hoang, T. B., Akselrod, G. M., Argyropoulos, C., Huang, J., Smith, D. R., & Mikkelsen, M. H. (2015). Ultrafast spontaneous emission source using plasmonic nanoantennas. Nature Communications. https://doi.org/10.1038/ncomms8788
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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