Issue 31, 2019

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

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

Associated articles

Article information

Article type
Feature Article
Submitted
14 Jūn. 2019
Accepted
19 Jūl. 2019
First published
22 Jūl. 2019

Nanoscale, 2019,11, 14540-14552

Author version available

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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