Ultrafast Faraday Rotation of Slow Light

Musorin, A. I.; Sharipova, M. I.; Dolgova, T. V.; Inoue, M.; Fedyanin, Andrey A.

doi:10.1103/physrevapplied.6.024012

Cited by 16 publications

(7 citation statements)

References 58 publications

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“…Another approach, gaining much attention now relates to all-dielectric nanonstructures. It was first proposed for photonic crystals (PCs) − and then expanded to dielectric nanoparticles , and semiconductor metasurfaces. − …”

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confidence: 99%

Ultrafast All-Optical Light Control with Tamm Plasmons in Photonic Nanostructures

et al. 2019

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Ultrafast all-optical modulators are crucial parts of prospective photonic devices. A number of plasmonic and dielectric nanostructures were nominated as candidates for integrated all-optical circuits. The key principle in the design of such devices is to engineer artificial optical resonances to increase the magnitude of modulation or to change the characteristic switching time. The major drawback is that the manufacturing becomes rather sophisticated. Here, we propose a method to tailor the ultrafast response of photonic crystal–metal nanostructures by employing a spectral shift of the Tamm-plasmon resonance. We show that for the absorbed pump fluence of 6 pJ reflectance of the sample at the near-infrared probe wavelength in the vicinity of the Tamm-plasmon resonance changes 25× stronger as compared with a bare metal film. Additionally, we show that by choosing a proper wavelength around the resonance a background-free reflectance modulation can be achieved. The characteristic pulse-limited switching time, in this case, is 150 fs.

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confidence: 99%

Ultrafast All-Optical Light Control with Tamm Plasmons in Photonic Nanostructures

et al. 2019

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“…Through these methods, the polarization of the electric field can be switched to the desired direction. For example, one can utilize ultrafast timedependent polarization rotation in a magnetophotonic crystal 42 . The colloidal microspheres also can produce dominant E z component 43 .…”

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confidence: 99%

The optical tweezer of skyrmions

et al. 2020

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In a spin-driven multiferroic system, the magnetoelectric coupling has the form of effective dynamical Dzyaloshinskii–Moriya (DM) interaction. Experimentally, it is confirmed, for instance, for Cu2OSeO3, that the DM interaction has an essential role in the formation of skyrmions, which are topologically protected magnetic structures. Those skyrmions are very robust and can be manipulated through an electric field. The external electric field couples to the spin-driven ferroelectric polarization and the skyrmionic magnetic texture emerged due to the DM interaction. In this work, we demonstrate the effect of optical tweezing. For a particular configuration of the external electric fields it is possible to trap or release the skyrmions in a highly controlled manner. The functionality of the proposed tweezer is visualized by micromagnetic simulations and model analysis.

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“…Magnetophotonic crystals (MPCs) [6] that have resonances in the photonic density of states at the band-gap edge provide extensive opportunities for controlling the Faraday and Kerr effects. Under an external magnetic field applied to an MPC, an increase in the Faraday effect is observed at the photonic-band-gap edge [7][8][9] due to the slow light effect [10]. A stronger enhancement of the Faraday rotation angle can be obtained at the narrow resonances of MPC reflectance spectra related to the multipass traveling of light in the MPC microcavity spacer [11][12][13][14].…”

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confidence: 98%