Controlling resonance energy transfer in nanostructure emitters by positioning near a mirror

Dilusha Weeraddana, Malin Premaratne, Sarath D Gunapala, David Leslie Andrews

Research output: Contribution to journalArticleResearchpeer-review

13 Citations (Scopus)

Abstract

The ability to control light-matter interactions in quantum objects opens up many avenues for new applications. We look at this issue within a fully quantized framework using a fundamental theory to describe mirror-assisted resonance energy transfer (RET) in nanostructures. The process of RET communicates electronic excitation between suitably disposed donor and acceptor particles in close proximity, activated by the initial excitation of the donor. Here, we demonstrate that the energy transfer rate can be significantly controlled by careful positioning of the RET emitters near a mirror. The results deliver equations that elicit new insights into the associated modification of virtual photon behavior, based on the quantum nature of light. In particular, our results indicate that energy transfer efficiency in nanostructures can be explicitly expedited or suppressed by a suitably positioned neighboring mirror, depending on the relative spacing and the dimensionality of the nanostructure. Interestingly, the resonance energy transfer between emitters is observed to "switch off" abruptly under suitable conditions of the RET system. This allows one to quantitatively control RET systems in a new way.

Original languageEnglish
Article number074117
Number of pages10
JournalJournal of Chemical Physics
Volume147
Issue number7
DOIs
Publication statusPublished - 21 Aug 2017

Cite this

Weeraddana, Dilusha ; Premaratne, Malin ; Gunapala, Sarath D ; Andrews, David Leslie. / Controlling resonance energy transfer in nanostructure emitters by positioning near a mirror. In: Journal of Chemical Physics. 2017 ; Vol. 147, No. 7.
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Controlling resonance energy transfer in nanostructure emitters by positioning near a mirror. / Weeraddana, Dilusha; Premaratne, Malin; Gunapala, Sarath D; Andrews, David Leslie.

In: Journal of Chemical Physics, Vol. 147, No. 7, 074117, 21.08.2017.

Research output: Contribution to journalArticleResearchpeer-review

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