Magneto-Plasmonics and Resonant Interaction of Light with Dynamic Magnetisation in Metallic and All-Magneto-Dielectric Nanostructures

Maksymov, Ivan S.

doi:10.3390/nano5020577

Cited by 86 publications

(78 citation statements)

References 186 publications

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“…The influence of the external magnetic field on plasmonic properties is extensively discussed elsewhere [15]. The magnetic field control of the plasmonic properties has been demonstrated in a number of systems [16,17,18,19,20,21,22,23,24,25]. Here we shall focus on the properties of the SPPs in a hybrid (noble) metal-ferromagnet-(noble) metal multilayer structure, which serves as a robust playground for magneto-plasmonics ( Fig.…”

Section: Linear Magneto-plasmonicsmentioning

confidence: 99%

Towards the nonlinear acousto-magneto-plasmonics

Temnov¹,

Razdolski²,

Pézeril³

et al. 2016

J. Opt.

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Abstract. We review the recent progress in experimental and theoretical research of interactions between the acoustic, magnetic and plasmonic transients in hybrid metalferromagnet multilayer structures excited by ultrashort laser pulses. The main focus is on understanding the nonlinear aspects of the acoustic dynamics in materials as well as the peculiarities in the nonlinear optical and magneto-optical response. For example, the nonlinear optical detection is illustrated in details by probing the static magneto-optical second harmonic generation in gold-cobalt-silver trilayer structures in Kretschmann geometry. Furthermore, we show experimentally how the nonlinear arXiv:1602.06562v1 [cond-mat.mes-hall]

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Section: Linear Magneto-plasmonicsmentioning

confidence: 99%

Towards the nonlinear acousto-magneto-plasmonics

Temnov¹,

Razdolski²,

Pézeril³

et al. 2016

J. Opt.

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confidence: 99%

Magneto-Optical Response Enhanced by Mie Resonances in Nanoantennas

et al. 2017

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Control of light by an external magnetic field is one of the important methods for modulation of its intensity and polarisation [1]. Magneto-optical effects at the nanoscale are usually observed in magnetophotonic crystals [2,3], nanostructured hybrid materials [4][5][6] or magnetoplasmonic crystals [7][8][9][10][11]. An indirect action of an external magnetic field (e.g. through the Faraday effect) is explained by the fact that natural materials exhibit negligible magnetism at optical frequencies. However, the concept of metamaterials overcome this limitation imposed by nature by designing artificial subwavelength meta-atoms that support a strong magnetic response, usually termed as optical magnetism, even when they are made of nonmagnetic materials [12]. The fundamental question is what would be the effect of the interaction between an external magnetic field and an optically-induced magnetic response of metamaterial structures. Here we make the first step toward answering this fundamental question and demonstrate the multifold enhancement of the magneto-optical response of nanoantenna lattices due to the optical magnetism.Nanophotonics is often associated with plasmonic structures made of metals such as gold or silver. However, it is known that plasmonic structures suffer from high losses of metals, heating, and incompatibility with CMOS fabrication processes. Recent developments in the nanoscale optical physics gave birth to a new branch of nanophotonics aiming at the manipulation of opticallyinduced Mie-type resonances in dielectric nanoparticles made of materials with high refractive indices [12][13][14][15]. It has been shown recently that resonant dielectric structures offer unique opportunities for reduced dissipative losses and large resonant enhancement of both electric and magnetic fields. High-index dielectric structures can be employed as new building blocks to obtain unique functionalities such as magnetic Fano resonances [16,17], highly transmittable metasurfaces [18,19], and novel metadevices [20,21]. Here we extend the concept of high-index resonant nanophotonics to the case of magnetically active materials and study the magneto-optical (MO) response of a dielectric metasurface covered with a thin magnetic film, as shown schematically in Fig. 1. * Corresponding author: fedyanin@nanolab.phys.msu.ruWe emphasize that at the microscopic level the optical Figure 1. Schematic illustration of the enhancement of magneto-optical effects in a nanoscale structure. Linearly polarized light is focused on a dielectric metasurface composed of silicon nanoparticles supporting magnetic Mietype resonances, the metasurface is covered by a thin nickel film. The sample is subjected to the action of an external magnetic field oriented perpendicular to the wave vector of the incident light. Inset shows an SEM image of the sample.response is driven by electric dipoles, but high-index dielectric nanoparticles with this microscopic response generate effectively magnetic multipoles. Despite its geometrical simplicity, a ...

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“…Combining plasmonics with magnetooptics 25,26 gives a variety of advantages 27 . First, magnetic field allows to achieve the dynamical tunability (control of parameters in real time) of plasmonic structure [28][29][30][31] .…”

Section: Introductionmentioning

confidence: 99%

Magnetic field assisted transmission of THz waves through a graphene layer combined with a periodically perforated metallic film

2018

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We consider a graphene sheet encapsulated in a two-dimensional metallic grating and a substrate (Al2O3) and subjected to an external magnetic field (in Faraday configuration). The grating consists of a thin perfectly conducting metal film perforated with a 2D periodic array of square holes. According to our calculations, significant changes in the spectra of the Faraday rotation angle of the transmitted wave and of the magnetic circular dichroism should be expected in this situation compared to bare graphene. We explain this enhancement by the excitation of graphene magnetoplasmons that accompanies the transmission of the electromagnetic wave through the structure. The results can be interesting for applications in THz photonics, such as switchable rotating polarizer and optical isolator.

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Magneto-Plasmonics and Resonant Interaction of Light with Dynamic Magnetisation in Metallic and All-Magneto-Dielectric Nanostructures

Cited by 86 publications

References 186 publications

Towards the nonlinear acousto-magneto-plasmonics

Towards the nonlinear acousto-magneto-plasmonics

Magneto-Optical Response Enhanced by Mie Resonances in Nanoantennas

Magnetic field assisted transmission of THz waves through a graphene layer combined with a periodically perforated metallic film

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