2019
DOI: 10.1364/oe.27.030893
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Channel competition in emitter-plasmon coupling

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Cited by 2 publications
(3 citation statements)
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“…Since local-field probing relies on the detection of the fluorescence of the QD, it is important to know the fluorescence properties, which may be significantly influenced by the nanoantenna due to the Purcell effect 10 , 50 52 . Antenna modes can provide a large local density of photonic states (LDOS), and then, according to Fermi’s golden rule, the radiative decay rate of the QD will be enhanced via energy transfer to the antenna modes 53 , 54 . Owing to the broad bandwidth of the antenna resonance, although the emission wavelength of the QD (~808 nm) is far detuned from the resonant peak of the nanoantenna (~645 nm), the measured fluorescence lifetime of the QD is still shortened by ~7-fold (Fig.…”
Section: Resultsmentioning
confidence: 99%
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“…Since local-field probing relies on the detection of the fluorescence of the QD, it is important to know the fluorescence properties, which may be significantly influenced by the nanoantenna due to the Purcell effect 10 , 50 52 . Antenna modes can provide a large local density of photonic states (LDOS), and then, according to Fermi’s golden rule, the radiative decay rate of the QD will be enhanced via energy transfer to the antenna modes 53 , 54 . Owing to the broad bandwidth of the antenna resonance, although the emission wavelength of the QD (~808 nm) is far detuned from the resonant peak of the nanoantenna (~645 nm), the measured fluorescence lifetime of the QD is still shortened by ~7-fold (Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The local-field response reveals how the incident light excites the antenna modes; therefore, it depends on the polarization of the incident light. The LDOS indicates how the emitter excites the antenna modes 53,54 ; therefore, it depends on the position and orientation of the emitter but does not depend on the incident light polarization. The local-field response and LDOS are similar only when the incident light and the emitter excite the antenna modes in a similar way.…”
Section: Discussionmentioning
confidence: 99%
“…It is known that at this length scale, gold nanoparticles exhibit plasmonic effects, which are coherent oscillation of conducting d band electrons in response to the incident light (Willets et al, 2017 ). In the context of SMLM, plasmonic effects can potentially produce two outcomes, the first is that the emitting center can be shifted by the complex plasmon-molecular interactions (Xia et al, 2019 ), shrinking the images, and this is not favored (Cheng et al, 2019 ). The second is that it could produce significant signal enhancement which leads to higher localization precision, and is hence preferred.…”
Section: Challenges and Emerging Directionsmentioning
confidence: 99%