Nonlinear optics of complex plasmonic structures: linear and third-order optical response of orthogonally coupled metallic nanoantennas

Metzger, Bernd; Hentschel, Mario; Nesterov, M. L.; Schumacher, Thorsten; Lippitz, Markus; Gießen, Harald

doi:10.1007/s00340-016-6348-5

Cited by 18 publications

(16 citation statements)

References 39 publications

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“…Third harmonic generation (THG) from metallic nanostructures was initially investigated on the examples of flat surfaces and spherical nanoparticles . The advantage of the plasmonic approach was used to demonstrate THG enhanced by the multipolar resonances either in individual metallic nanostructures or the resonant modes of 2D patterned metal surfaces . THG in metamaterials and other enhancement mechanisms, such as those involving interband transitions and phase‐matching in a plasmonic waveguide were also considered.…”

Section: Harmonic Generation In Plasmonic Nanostructures: Perturbativmentioning

confidence: 99%

Free‐electron Optical Nonlinearities in Plasmonic Nanostructures: A Review of the Hydrodynamic Description

Krasavin

Ginzburg

Zayats

2017

Laser & Photonics Reviews

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Requirements of integrated photonics and miniaturisation of optical devices demand efficient nonlinear components not constrained by conventional macroscopic nonlinear crystals. Intrinsic nonlinear response of free carriers in plasmonic materials provides opportunities to design both second-and third-order nonlinear optical properties of plasmonic nanostructures and control light with light using Kerr-type nonlinearities as well as achieve harmonic generation. This review summarises principles of free-carrier nonlinearities in the hydrodynamic description in both perturbative and non-perturbative regimes, considering also contribution of nonlocal effects. Engineering of harmonic generation, solitons, nonlinear refraction and ultrafast all-optical switching in plasmonic nanostructures and metamaterials are discussed. The full hydrodynamic consideration of nonlinear dynamics of free carriers reveals key contributions to the nonlinear effects defined by the interplay between a topology of the nanostructure and nonlinear response of the fermionic gas at the nanoscale, allowing design of high effective nonlinearities in a desired spectral range. Flexibility and unique features of free-electron nonlinearities are important for nonlinear plasmonic applications in free-space as well as integrated and quantum nanophotonic technologies.

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Section: Harmonic Generation In Plasmonic Nanostructures: Perturbativmentioning

confidence: 99%

Free‐electron Optical Nonlinearities in Plasmonic Nanostructures: A Review of the Hydrodynamic Description

Krasavin

Ginzburg

Zayats

2017

Laser & Photonics Reviews

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“…Specifically, one can exploit the results for dipole sources above a metal layer in [50] to study the field distribution due to illumination by electric fields of different polarizations as well as to study other configurations such as the crescent structure [51], non-touching wires [52], blunt geometries [53], periodic arrays, 2D materials [54,55], and various 3D structures [56,57] etc. Future steps may include further optimization of the performance, e.g., by exploiting the greater susceptibilities reported within hetero-dimers [8,9] or even to treat more complicated nonlinear wave interactions such as sum frequency generation [58,59], third-harmonic generation [17,41,60], THz generation [58,61] and four wave mixing [62].…”

Section: Comparison To Previous Work and Outlookmentioning

confidence: 99%

Optimization of second-harmonic generation from touching plasmonic wires

Elkabetz,

Reddy,

Chen

et al. 2020

Preprint

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We employ transformation optics to optimize the generic nonlinear wave interaction of secondharmonic generation from a pair of touching metallic wires. We demonstrate a 10 orders of magnitude increase in the second-harmonic scattering cross-section by increasing the background permittivity and a 5 orders of magnitude increase in efficiency with respect to a single wire. These results have clear implications for the design of nanostructured metallic frequency-conversion devices. Finally, we exploit our analytic solution of a non-trivial nanophotonic geometry as a platform for performing a critical comparison of the strengths, weaknesses and validity of other prevailing theoretical approaches previously employed for nonlinear wave interactions at the nanoscale.

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“…4) including U-shaped split-ring resonators (SRRs), 45,46 L-shaped nanoparticles, 15,52,83 G-shaped particles, 64 noncentrosymmetric dimers, 16,34 nanocups, 91 triangles, 47 and multiresonant structures. 3,17,31,60,67 Other nanostructures including nanoapertures in metal films have been also investigated. 7,36,48,55,88 Similar to conventional materials, symmetry considerations dictate also the nonlinear responses of metasurfaces, meaning that the local symmetry of individual meta-atoms and the overall symmetry of the array configuration both affect responses.…”

Section: Nonlinear Plasmonic Metasurfacesmentioning

confidence: 99%

Nonlinear plasmonic metasurfaces

Huttunen

Czaplicki

Kauranen

2019

J. Nonlinear Optic. Phys. Mat.

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Nonlinear plasmonic metasurfaces have recently attracted considerable interest, due to their potential for enabling nanoscale nonlinear optics. Here, we review the current progress in this topic while paying special attention to existing challenges. In order to limit our scope, we concentrate on nonlinear metasurfaces utilizing inter-particle and lattice effects and focus on metasurfaces operating close to visible and near-infrared frequencies. We will also critically discuss the short and longer term prospects of nonlinear metasurfaces to start rivaling traditional nonlinear materials in applications.

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Nonlinear optics of complex plasmonic structures: linear and third-order optical response of orthogonally coupled metallic nanoantennas

Cited by 18 publications

References 39 publications

Free‐electron Optical Nonlinearities in Plasmonic Nanostructures: A Review of the Hydrodynamic Description

Free‐electron Optical Nonlinearities in Plasmonic Nanostructures: A Review of the Hydrodynamic Description

Optimization of second-harmonic generation from touching plasmonic wires

Nonlinear plasmonic metasurfaces

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