Background-Free Third Harmonic Imaging of Gold Nanorods

Schwartz, Osip; Oron, Dan

doi:10.1021/nl902305w

Cited by 53 publications

(61 citation statements)

References 26 publications

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“…17 The median enhancement over the highest reported value in bare rods is about 3, whereas the maximal enhancement observed for a single particle is about 50 18 (Table 1). We note that our epi-detected …”

Section: Resultsmentioning

confidence: 92%

Enhanced Third-Harmonic Generation from a Metal/Semiconductor Core/Shell Hybrid Nanostructure

et al. 2015

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Nonlinear optical processes can be dramatically enhanced via the use of localized surface plasmon modes in metal nanoparticles. Here we show how more elaborate structures, based on shape-controlled Au/Cu2O core/shell nanostructures, enable further enhancement of the nanoparticle third-harmonic scattering cross-section. The semiconducting component takes a twofold role in this structure, both providing a knob to tune the resonant frequency of the gold plasmon and providing resonant enhancement by virtue of its excitonic states. The advantages and deficiencies of using such core/shell metal/semiconductor structures are discussed.

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Section: Resultsmentioning

confidence: 92%

Enhanced Third-Harmonic Generation from a Metal/Semiconductor Core/Shell Hybrid Nanostructure

et al. 2015

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“…It can enhance the fundamental field [67,71,73], or it can enhance the emission of the generated third-harmonic [68], or both. As the fundamental field enters to the third power, this first use is especially beneficial.…”

Section: Origin Of the Thgmentioning

confidence: 99%

Nonlinear spectroscopy of plasmonic nanoparticles

Obermeier

Schumacher

Lippitz

2018

Advances in Physics: X

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The plasmon resonance of a metal nanoparticle increases the optical field amplitude in and around the particle with respect to the incoming wave. In consequence, optical effects that are nonlinear in their field amplitude profit from this increased field. In general, a plasmonic structure can react nonlinearly by itself and it can also enhance the effect of the nonlinearity in its environment, which we consider as plasmonic nanoantenna. In this paper, we review third-order nonlinear effects such as third-harmonic generation, pump-probe spectroscopy, coherent anti-Stokes Raman scattering and four-wave mixing of and near plasmonic nanostructures. All these processes are described by very similar equations for the nonlinear polarization, but the underling physics differs.

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“…There are only few experimental studies in this field [39 - 41], where third harmonic generation in nanostructures excited by a Ti : sapphire laser was reported. In particular, a UV photon flux of 10 4 photons s -1 from a single gold nanostructure was obtained in [41].…”

Section: Generation Of Uv Light By Plasmonic Nanostructuresmentioning

confidence: 99%

Third harmonic generation in the short-wavelength UV range by a single plasmonic nanostructure

et al. 2016

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The nonlinear optical interaction of laser radiation with nanostructures formed in gold and aluminium nanofilms has been experimentally studied. It is shown that, despite the high susceptibility c 3 of aluminium in comparison with gold, the third-harmonic generation efficiency at a wavelength of 260 nm is much higher for the nanostructures formed in a gold nanofilm because of the efficient excitation of a localised plasmon resonance at the fundamental frequency.

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Background-Free Third Harmonic Imaging of Gold Nanorods

Cited by 53 publications

References 26 publications

Enhanced Third-Harmonic Generation from a Metal/Semiconductor Core/Shell Hybrid Nanostructure

Enhanced Third-Harmonic Generation from a Metal/Semiconductor Core/Shell Hybrid Nanostructure

Nonlinear spectroscopy of plasmonic nanoparticles

Third harmonic generation in the short-wavelength UV range by a single plasmonic nanostructure

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