Observation of magneto-optical second-harmonic generation with surface plasmon excitation in ultrathin Au/Co/Au films

Павлов, В. В.; Tessier, Gilles; Malouin, Christian; Georges, Patrick; Brun, Alain; Renard, D.; Meyer, P.; Ferré, J.; Beauvillain, P.

doi:10.1063/1.124315

Cited by 28 publications

(21 citation statements)

References 12 publications

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“…16 and 44-46, although an excitation of a nonlocal magnetic SHG has so far not been reported. Plasma resonances efficiently modify the electromagnetic field distribution in the medium, 28,47,48 which is usually accompanied by large electric field gradients. In our case, the plasmon-enhanced field E z is now not only modulated along the x axis but is also much more strongly concentrated inside the Co layer, as compared with the off-resonant conditions.…”

Section: Discussionmentioning

confidence: 99%

Nonlocal nonlinear magneto-optical response of a magnetoplasmonic crystal

et al. 2013

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Surface plasma resonance (SPR) excitation in a Co-based two-dimensional magnetoplasmonic crystal was found to strongly enhance the second-harmonic generation (SHG) efficiency. Large changes in the phase shift between magnetic and nonmagnetic SHG contributions were observed in the transversal Kerr effect as a function of the incidence angle. The activation of a nonlocal quadrupole mechanism of the magnetic SHG due to the SPR excitation was found to lead to an unusual phase behavior in the vicinity of the resonance.

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Section: Discussionmentioning

confidence: 99%

Nonlocal nonlinear magneto-optical response of a magnetoplasmonic crystal

et al. 2013

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“…88). The measurements have been made by the attenuatedtotal-reflection technique in the Kretschmann geometry.…”

Section: • 87mentioning

confidence: 99%

Magnetization-induced-second-harmonic generation from surfaces and interfaces

2005

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Magnetization-induced effe_ct.s in the nonlinear optical response of magnetic media, such as magnetizationinduced-second-harmonic generation (MSHG), led to very strong and novel non linear magneto-optical effects that appear to be very sensitive to magnetic interface properties. This surface-interface sensitivity ofMSHG, in combination with the very large magneto-optical effects, has led to a fast development of this technique over the past decade. On the one hand, an extreme sensitivity of MSHG to the electronic and magnetic structure of clean surfaces has been successfully demonstrated. On the other hand, the penetration depth of light allows one to use this sensitivity to study buried interfaces in multilayer systems. Further experimental developments of the MSHG technique, such as space and time t·esolution as well as magnetization-sensitive-sumfrequency generation, appear to be promising as well.

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“…For instance, the latter is accompanied by a significant phase shift of the second-harmonic response [22][23][24], which can be unambiguously detected in interference experiments. An interplay of the resonant phase shift with the interference of multiple nonlinear-optical sources can lead to a complex behavior of the SHG output in the vicinity of the SPP resonance [15,16,25]. Further, a new level of control over the SHG in plasmonic structures can be achieved in systems with broken symmetry [16,26].…”

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confidence: 99%

“…However, the corresponding change in the transmittance (angular contrast) is proportional to the gyration vector of BTIG and is therefore relatively small (about 0.1%-1%). In the nonlinear optics, the observed magneto-optical SPP-induced effects are rarely discussed along these lines [19,[22][23][24][25]42,43] due to the complexity of the nonlinear-optical output. However, the nonlinear counterpart of this effect together with large values of the asymmetry-driven SHG output modulation (up to 95%) indicates high prospects for nonlinear active magnetoplasmonics [43,44].…”

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confidence: 99%

Surface plasmon-driven second-harmonic generation asymmetry in anisotropic plasmonic crystals

Chekhov

Razdolski²,

Kirilyuk³

et al. 2016

Phys. Rev. B

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We report a strong angular asymmetry of optical second-harmonic generation (SHG) in plasmonic crystals formed by an Au grating on top of an anisotropic bismuth-thulium iron garnet (BTIG) film. We found that a weak anisotropy-driven angular SHG asymmetry of the crystalline BTIG is resonantly enhanced and reaches 95% as the surface plasmon polariton (SPP) is excited at the Au/BTIG interface. The asymmetry introduced by an interference of the odd and even (with respect to the angle of incidence) SHG fields is attributed to the anisotropy of the BTIG film. The angular SHG spectra are reproduced using a simple model with a resonant SPP-induced SHG contribution from the anisotropic Au/BTIG interface. The observed asymmetry of the SHG provides valuable insight into the mechanisms of nonlinear plasmonics and can noticeably expand its abilities regarding active light conversion and manipulation.

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Observation of magneto-optical second-harmonic generation with surface plasmon excitation in ultrathin Au/Co/Au films

Cited by 28 publications

References 12 publications

Nonlocal nonlinear magneto-optical response of a magnetoplasmonic crystal

Nonlocal nonlinear magneto-optical response of a magnetoplasmonic crystal

Magnetization-induced-second-harmonic generation from surfaces and interfaces

Surface plasmon-driven second-harmonic generation asymmetry in anisotropic plasmonic crystals

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