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Issue 31, 2019
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Strong coupling of emitters to single plasmonic nanoparticles: exciton-induced transparency and Rabi splitting

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Abstract

Strong coupling between plasmons in metal nanoparticles and single excitons in molecules or semiconductor nanomaterials has recently attracted considerable experimental effort for potential applications in quantum-mechanical and classical optical information processing and for fundamental studies of light–matter interaction. Here, we review the theory behind strong plasmon–exciton coupling and provide analytical expressions that can be used for fitting experimental data, particularly the commonly measured scattering spectra. We re-analyze published data using these expressions, providing a uniform method for evaluating and quantifying claims of strong coupling that avoids ambiguities in distinguishing between Rabi splitting and exciton-induced transparency (or Fano-like interference between plasmons and excitons).

Graphical abstract: Strong coupling of emitters to single plasmonic nanoparticles: exciton-induced transparency and Rabi splitting

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Article information


Submitted
14 Jun 2019
Accepted
19 Jul 2019
First published
22 Jul 2019

Nanoscale, 2019,11, 14540-14552
Article type
Feature Article

Strong coupling of emitters to single plasmonic nanoparticles: exciton-induced transparency and Rabi splitting

M. Pelton, S. D. Storm and H. Leng, Nanoscale, 2019, 11, 14540
DOI: 10.1039/C9NR05044B

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