Nonlinear magneto-optical effect in Fe/Au superlattices modulated by noninteger atomic layers

Sato, K.; Kodama, A.; Miyamoto, Masatoshi; Takanashi, Kōki; Fujimori, H.; Rasing, T.H.M.

doi:10.1063/1.372841

Cited by 9 publications

(5 citation statements)

References 7 publications

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“…In conclusion, the nonlinear magneto-plasmonics offers a strong enhancement of the magnetization-induced effects as compared to its linear counterpart. In the given spectral range one would expect to reach further enhancement of mSHG contrast by systematically varying the individual thicknesses in this multilayer structure along the lines discussed in [69][70][71][72][73][74][75][76].…”

Section: Nonlinear 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: Nonlinear Magneto-plasmonicsmentioning

confidence: 99%

Towards the nonlinear acousto-magneto-plasmonics

Temnov¹,

Razdolski²,

Pézeril³

et al. 2016

J. Opt.

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“…Since the scattering plane is fixed with respect to the sample, this method enables access to only a limited number of the tensor components of the nonlinear optical polarizability. In the second method, [18][19][20][21] the sample is rotated while the beam and detector are spatially fixed and investigations into all the tensor components become possible. However, its application to the samples in nonambient conditions such as cryogenic, high magnetic and ultra-high vacuum is limited 18,19 because it is generally difficult to rotate the sample precisely therein.…”

Section: Introductionmentioning

confidence: 99%

A compact and stable incidence-plane-rotating second harmonics detector

Kim,

Jung,

Seok

et al. 2021

Preprint

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We describe a compact and stable setup for detecting the optical second harmonics, in which the incident plane rotates with respect to the sample. The setup is composed of rotating Fresnel-rhomb optics and a femtosecond ytterbium-doped fiber-laser source operating at the repetition frequency of 10 MHz. The setup including the laser source occupies an area of 1 m 2 and is stable so that the intensity fluctuation of the laser harmonics can be less than 0.2 % for 4 h. We present the isotropic harmonic signal of a gold mirror of 0.5 pW and demonstrate the integrity and sensitivity of the setup. We also show the polarization-dependent six-fold pattern of the harmonics of a few-layer WSe 2 , from which we infer the degree of local-field effects. Finally, we describe the extensibility of the setup to investigate the samples in various conditions such as cryogenic, strained, ultrafast non-equilibrium, and high magnetic fields.

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“…Artificial structures of an atomic scale, consisting of alternating thin magnetic and nonmagnetic layers have been attracting significant interest due to their novel physical properties, and intensely been studied during the last years [1][2][3][4][5][6]. The nonlinear magneto-optical technique has been proven to be a powerful tool for the investigation of thin and ultra-thin films and layered structures due to its high sensitivity to magnetic ordering, surface and interface sensitivity caused by the inversion symmetry breaking [7,8].…”

Section: Introductionmentioning

confidence: 99%

“…Recently, considerable attention has been paid to the investigation of nonlinear magneto-optical effects for various magnetic materials, especially thin magnetic films and multilayered structures [9][10][11][12][13][14][15][16][17]. The nonlinear magnetooptical Kerr effect (NOLIMOKE) combines surface and interface sensitivity with large magneto-optical effects which usually are about one to two orders of magnitude larger than their linear analogues [1,7,9]. This fact makes magnetically induced second harmonic generation (MSHG) a very attractive method for the probing of surface and interface magnetism of ultrathin magnetic films, multilayers, and superlattices [5,6,[11][12][13]18], especially where the linear Kerr rotation is vanishingly small.…”

Section: Introductionmentioning

confidence: 99%

First-Principles Calculation of Nonlinear Surface Magneto-Optical Response of a Ferromagnetic Multilayer

Lyubchanskii¹,

Andersen²,

Hbner³

2004

Physica Scripta

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First-principles calculations, based on the full-potential linearized augmented plane wave (FLAPW) method, including spin-orbit coupling (SOC) as second variational treatment within a self-consistent procedure, were carried out to obtain the nonlinear optical (NLO) response from the fcc multilayer structure ½Nið1 MLÞ=Cuð1 MLÞ 2 ; grown on Cu(001). Within the framework of a supercell approach we obtain the wave functions and the bandstructure for further calculation of the spectra of the nonlinear optical susceptibility tensor ð2Þ i jk : The reflected electric field at the frequency of the second harmonic (SHG) 2! is calculated on the basis of the surface-sheet model and the resulting SHG intensities, azimuthal dependence for main experimental geometries and Kerr angles are presented for the cases of the in-plane and out-of-plane magnetization of the multilayer, which correspond to longitudinal and polar magneto-optical configurations (MOC) respectively. We compare current results with previously obtained ones for the single fcc Ni/Cu(001) bilayer. It is shown, that in the case of the out-of-plane magnetization the magnetic tensor elements of the ð2Þ i jk tensor are smaller than the nonmagnetic ones by only one order of magnitude. In the case of in-plane magnetization the magnetically induced components of ð2Þ i jk become even comparable in magnitude with the nonmagnetic ones, confirming the important role of magnetic properties in the NLO response.

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Nonlinear magneto-optical effect in Fe/Au superlattices modulated by noninteger atomic layers

Cited by 9 publications

References 7 publications

Towards the nonlinear acousto-magneto-plasmonics

Towards the nonlinear acousto-magneto-plasmonics

A compact and stable incidence-plane-rotating second harmonics detector

First-Principles Calculation of Nonlinear Surface Magneto-Optical Response of a Ferromagnetic Multilayer

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