Super-resolution mapping of enhanced emission by collective plasmonic resonances

Ruben F. Hamans, Matteo Parente, Gabriel W. Castellanos, Mohammad Ramezani, Jaime Gómez Rivas (Corresponding author), Andrea Baldi (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

Plasmonic particle arrays have remarkable optical properties originating from their collective behavior, which results in resonances with narrow line widths and enhanced electric fields extending far into the surrounding medium. Such resonances can be exploited for applications in strong light-matter coupling, sensing, light harvesting, nonlinear nanophotonics, lasing, and solid-state lighting. However, as the lattice constants associated with plasmonic particle arrays are on the order of their resonance wavelengths, mapping the interaction between point dipoles and plasmonic particle arrays cannot be done with diffraction-limited methods. Here, we map the enhanced emission of single fluorescent molecules coupled to a plasmonic particle array with ∼20 nm in-plane resolution by using stochastic super-resolution microscopy. We find that extended lattice resonances have minimal influence on the spontaneous decay rate of an emitter but instead can be exploited to enhance the outcoupling and directivity of the emission. Our results can guide the rational design of future optical devices based on plasmonic particle arrays.

Original languageEnglish
Pages (from-to)4514-4521
Number of pages8
JournalACS Nano
Volume13
Issue number4
DOIs
Publication statusPublished - 23 Apr 2019

Fingerprint

Nanophotonics
Optical devices
Linewidth
Lattice constants
directivity
Microscopic examination
Optical properties
Diffraction
Lighting
illuminating
Electric fields
decay rates
lasing
emitters
Wavelength
Molecules
dipoles
microscopy
solid state
optical properties

Keywords

  • collective resonances
  • light-matter interaction
  • nanophotonics
  • plasmonics
  • single molecule localization
  • super-resolution microscopy

Cite this

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title = "Super-resolution mapping of enhanced emission by collective plasmonic resonances",
abstract = "Plasmonic particle arrays have remarkable optical properties originating from their collective behavior, which results in resonances with narrow line widths and enhanced electric fields extending far into the surrounding medium. Such resonances can be exploited for applications in strong light-matter coupling, sensing, light harvesting, nonlinear nanophotonics, lasing, and solid-state lighting. However, as the lattice constants associated with plasmonic particle arrays are on the order of their resonance wavelengths, mapping the interaction between point dipoles and plasmonic particle arrays cannot be done with diffraction-limited methods. Here, we map the enhanced emission of single fluorescent molecules coupled to a plasmonic particle array with ∼20 nm in-plane resolution by using stochastic super-resolution microscopy. We find that extended lattice resonances have minimal influence on the spontaneous decay rate of an emitter but instead can be exploited to enhance the outcoupling and directivity of the emission. Our results can guide the rational design of future optical devices based on plasmonic particle arrays.",
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Super-resolution mapping of enhanced emission by collective plasmonic resonances. / Hamans, Ruben F.; Parente, Matteo; Castellanos, Gabriel W.; Ramezani, Mohammad; Gómez Rivas, Jaime (Corresponding author); Baldi, Andrea (Corresponding author).

In: ACS Nano, Vol. 13, No. 4, 23.04.2019, p. 4514-4521.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Parente, Matteo

AU - Castellanos, Gabriel W.

AU - Ramezani, Mohammad

AU - Gómez Rivas, Jaime

AU - Baldi, Andrea

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N2 - Plasmonic particle arrays have remarkable optical properties originating from their collective behavior, which results in resonances with narrow line widths and enhanced electric fields extending far into the surrounding medium. Such resonances can be exploited for applications in strong light-matter coupling, sensing, light harvesting, nonlinear nanophotonics, lasing, and solid-state lighting. However, as the lattice constants associated with plasmonic particle arrays are on the order of their resonance wavelengths, mapping the interaction between point dipoles and plasmonic particle arrays cannot be done with diffraction-limited methods. Here, we map the enhanced emission of single fluorescent molecules coupled to a plasmonic particle array with ∼20 nm in-plane resolution by using stochastic super-resolution microscopy. We find that extended lattice resonances have minimal influence on the spontaneous decay rate of an emitter but instead can be exploited to enhance the outcoupling and directivity of the emission. Our results can guide the rational design of future optical devices based on plasmonic particle arrays.

AB - Plasmonic particle arrays have remarkable optical properties originating from their collective behavior, which results in resonances with narrow line widths and enhanced electric fields extending far into the surrounding medium. Such resonances can be exploited for applications in strong light-matter coupling, sensing, light harvesting, nonlinear nanophotonics, lasing, and solid-state lighting. However, as the lattice constants associated with plasmonic particle arrays are on the order of their resonance wavelengths, mapping the interaction between point dipoles and plasmonic particle arrays cannot be done with diffraction-limited methods. Here, we map the enhanced emission of single fluorescent molecules coupled to a plasmonic particle array with ∼20 nm in-plane resolution by using stochastic super-resolution microscopy. We find that extended lattice resonances have minimal influence on the spontaneous decay rate of an emitter but instead can be exploited to enhance the outcoupling and directivity of the emission. Our results can guide the rational design of future optical devices based on plasmonic particle arrays.

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