2017
DOI: 10.1038/s41467-017-01870-0
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Dynamically controlled Purcell enhancement of visible spontaneous emission in a gated plasmonic heterostructure

Abstract: Emission control of colloidal quantum dots (QDs) is a cornerstone of modern high-quality lighting and display technologies. Dynamic emission control of colloidal QDs in an optoelectronic device is usually achieved by changing the optical pump intensity or injection current density. Here we propose and demonstrate a distinctly different mechanism for the temporal modulation of QD emission intensity at constant optical pumping rate. Our mechanism is based on the electrically controlled modulation of the local de… Show more

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Cited by 62 publications
(55 citation statements)
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“…Through nanostructure design, a fork‐shaped metamaterial is proposed, based on which OAM entangled photons could be effectively generated. This platform can be further extended for applications as quantum interference, [ 56,57 ] Purcell enhancement, [ 16,58 ] and coherent perfect absorption. [ 59,60 ]…”
Section: Resultsmentioning
confidence: 99%
“…Through nanostructure design, a fork‐shaped metamaterial is proposed, based on which OAM entangled photons could be effectively generated. This platform can be further extended for applications as quantum interference, [ 56,57 ] Purcell enhancement, [ 16,58 ] and coherent perfect absorption. [ 59,60 ]…”
Section: Resultsmentioning
confidence: 99%
“…Moiré‐pattern‐induced chiral optics can also be explored in a super‐lattice by realizing a nonzero relative angle between two slabs . On the other hand, photonic applications such as photonic sensors can also be achieved by filling the spacer region with tunable/active materials …”
Section: Conclusion and Discussionmentioning
confidence: 99%
“…It can produce a 540-fold increase of the emission decay rate and a 1900-fold enhancement of total emission intensity for SQDs coupled to a plasmonic nanocavity [42]. Similar manipulations of the emission decay rate can be useful for wireless communication between devices using light to transmit data [43]. As in modified spontaneous emission, changes in SERS are produced by the interaction of the molecules with MNP plasmon resonances.…”
Section: Sers and Electromagnetic Field Localizationmentioning
confidence: 99%