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

Melentiev, Pavel N.; Kuzin, A. Yu.; Afanasiev, A. E.; Balykin, V. I.

doi:10.1070/qel16045

Cited by 2 publications

(1 citation statement)

References 34 publications

(33 reference statements)

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“…Kim et al [15] studied enhanced THG over a Ag island surface and discussed the enhancement in THG intensity is due to local plasmon excitations. Malentiev et al [16] discussed THG in gold and aluminum thin film exper imentally. Despite the high susceptibility of Al, the efficiency of THG in Au was noticed to be high due to the generation of SPWs on the Au metal surface.…”

Section: Introductionmentioning

confidence: 99%

Enhanced third harmonic generation by a laser over a Ag and n-InSb rippled metallic surface

2018

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Electric dipole assisted third harmonic generation (THG) by a CO 2 laser over a rippled Ag and nInSb metallic surface is investigated theoretically. The laser of frequency ω is incident over corrugated metal films using a Kretschmann attenuated total reflection technique that gives rise to electron oscillation. It exerts ponderomotive force at 2ω that couples with electron velocity at v ω to produce a nonlinear current at 3ω. Enhancement in the electric field of the third harmonic in nInSb is more than Ag by an order of two due to the high nonlinear current density. The nInSb excitation area of the third harmonic is noticed to be significantly larger than the spot size of the incident beam. The proposed scheme of surface enhanced THG provides a new avenue to upgrade nonlinear infrared spectroscopy and biomolecule imaging.

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Section: Introductionmentioning

confidence: 99%

Enhanced third harmonic generation by a laser over a Ag and n-InSb rippled metallic surface

2018

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Optics and spectroscopy of a single plasmonic nanostructure

Balykin¹,

Melentiev²

2018

Phys.-Usp.

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We review the interaction of laser light with a single plasmonic nanostructure. Until recently, the extremely weak optical response of a single nanostructure had only allowed spectroscopic research on ensembles of nanoparticles, where both structural and material parameters vary from one nanoparticle to another and the optical response is therefore averaged over the ensemble. Measurements at the level of a single nanostructure provide an effective tool for investigating the fundamental optical and spectroscopic properties of nanostructures, allowing insight into the mechanisms of elementary physical processes and permitting one to avoid the averaging procedure with the inevitable loss of physical information. The diverse range of linear-interaction optical phenomena occurring in a weak light field is reviewed and nonlinear interaction with high-intensity radiation is discussed.

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

Cited by 2 publications

References 34 publications

Enhanced third harmonic generation by a laser over a Ag and n-InSb rippled metallic surface

Enhanced third harmonic generation by a laser over a Ag and n-InSb rippled metallic surface

Optics and spectroscopy of a single plasmonic nanostructure

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