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Title: Probing plasmon-NV0 coupling at the nanometer scale with photons and fast electrons
Authors: Lourenço-Martins, Hugo
Kociak, Mathieu
Meuret, Sophie
Treussart, François
Lee, Yih Hong
Ling, Xing Yi
Chang, Huan-Cheng
Galvão Tizei, Luiz Henrique
Keywords: Lifetime Measurement
Purcell Effect
Issue Date: 2017
Source: Lourenço-Martins, H., Kociak, M., Meuret, S., Treussart, F., Lee, Y. H., Ling, X. Y., . . . Galvão Tizei, L. H. (2017). Probing plasmon-NV0 coupling at the nanometer scale with photons and fast electrons. ACS Photonics, 5(2), 324-328. doi:10.1021/acsphotonics.7b01093
Series/Report no.: ACS Photonics
Abstract: The local density of optical states governs an emitters’ lifetime and quantum yield through the Purcell effect. It can be modified by a surface plasmon electromagnetic field, but such a field has a spatial extension limited to a few hundreds of nanometers, complicating the use of optical methods to spatially probe emitter–plasmon coupling. Here we show that a combination of electron-based imaging, spectroscopies, and photon-based correlation spectroscopy enables measurement of the Purcell effect with nanometer and nanosecond spatiotemporal resolutions. Due to the large variability of radiative lifetimes of emitters in nanoparticles we relied on a statistical approach to probe the coupling between nitrogen-vacancy centers in nanodiamonds and surface plasmons in silver nanocubes. We quantified the Purcell effect by measuring the nitrogen-vacancy excited state lifetimes in a large number of either isolated nanodiamonds or nanodiamond-nanocube dimers and demonstrated a significant lifetime reduction for dimers.
DOI: 10.1021/acsphotonics.7b01093
Rights: This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Photonics, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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