55 citations · 140 across the 28 of their papers we have counts for
28 papers
Magneto-optical intensity effect in a transparent perforated all-dielectric metasurface with an anapole state
Polina V. Zorina, Andrey N. Kalish, Vladimir I. Belotelov +2
We numerically study a perforated all-dielectric metasurface based on the magnetic semiconductor GaMnAs. Near the anapole state, the structure combines high transmittance with a mo…
Degeneracy and trajectory control of spin eigenmodes excited by fs-optical pulses in a nearly compensated ferrimagnet
G. Yu. Levkin, D. M. Krichevsky, N. A. Gusev +4
We investigate optically excited spin dynamics in a uniaxial ferrimagnet near the magnetization compensation point under a magnetic field applied along the magnetic anisotropy axis…
Enhanced magneto-optical intensity effect in a helicity-preserving all-dielectric metasurface at Mie resonances and the anapole state
P. V. Zorina, D. O. Ignatyeva, A. E. Bezmenova +4
Nanophotonic structures provide an efficient route to enhancing magneto-optical effects by concentrating electromagnetic fields at subwavelength scales. In this work, we propose an…
The prospects of nonthermal magnetization switching in near-compensated rare earth iron garnets
N. I. Gribova, D. O. Ignatyeva, N. A. Gusev +2
Ultrafast spin dynamics in a magnetically compensated rare earth iron garnet film driven by femtosecond optical pulses through the inverse Faraday effect is theoretically investiga…
Exceptionally high Verdet constant in gold nanodisc arrays
Gajendra Mulay, Shraddha Choudhary, Ashwin A Tulapurkar +4
Magneto-optical effects in non-magnetic noble metals can be greatly enhanced by leveraging the in-plane Lorentz force at engineered plasmonic resonances. We demonstrate a 2D array…
Unusual sign-changing Faraday effect in nanometer-thick magnetic films
A. V. Belkova, D. O. Ignatyeva, A. N. Kalish +3
It is generally believed that the magneto-optical Faraday effect appears in the the bulk of a magnetic material and its sign is fully determined by the sign of the non-diagonal per…
All-dielectric Metaphotonics for Advanced THz Control of Spins
Lucas van Gerven, Daria O. Ignatyeva, Daniil V. Konkov +7
While nearly single cycle THz pulse is conventionally accepted as the stimulus for the fastest and the most energy efficient control of spins in magnets, all-dielectric metasurface…
Thermally-controlled magnetooptical metasurface for tunable Faraday rotation
P. V. Golovko, D. O. Ignatyeva, S. Xia +3
We present novel type of tunable magneto-optical metasurfaces performing Faraday rotation, the sign and value of which are not fixed after the structure fabrication but can be tune…
Magnetophotonic waveguide nanostructure for selective ultrafast optical excitation of high-K spin dynamics
Savelii V. Lutsenko, Anastasia E. Khramova, Daria O. Ignatyeva +7
Optomagnonics provides a promising method of a Joule-loss-free spin control that can be performed at ultrafast timescale. However, the cornerstone of optomagnonics is impossibility…
The inverse Faraday effect at Mie resonances
Denis M. Krichevsky, Daria O. Ignatyeva, Vladimir I. Belotelov
Nowadays, dielectric nanophotonics enables almost lossless resonant interaction between light and matter at the nanoscale. We show both theoretically and by electromagnetic simulat…
Control of a ferrimagnet phase by a two-component magnetic field
Daria O. Ignatyeva, Nikolay A. Gusev, Anatoly K. Zvezdin +1
We report a theoretical study of the phase diagram of a ferrimagnetic iron-garnet with uniaxial anisotropy near a magnetization compensation point in the presence of a two-componen…
Optical excitation of multiple standing spin modes in 3D optomagnonic nanocavities
Daria O. Ignatyeva, Denis M. Krichevsky, Dolendra Karki +7
We report the first experimental observation of multiple standing spin modes in 3D optomagnonic nanocavity formed by nanometer-sized iron-garnet nanocylinder. We show that launchin…
Odd Magneto-Optical Linear Dichroism in a Magnetophotonic Crystal
Tatiana Mikhailova, Daria Ignatyeva, Sergey Lyashko +2
The phenomena of magneto-optical polarization rotation and circular magnetic dichroism are well known in the Faraday configuration. We present another effect, an odd magneto-optica…
Unconventional spin dynamics in the non-collinear phase of a ferrimagnet
D. M. Krichevsky, N. A. Gusev, D. O. Ignatyeva +6
Ferrimagnets containing several partially compensated magnetic sublattices are considered the most promising materials for all-optical data storage and for ultrafast communications…
Plasmonic dichroism and all-optical magnetization switching in nanophotonic structures with GdFeCo
Polina E. Zimnyakova, Daria O. Ignatyeva, Andrey N. Kalish +2
We report on a phenomenon of plasmonic dichroism observed in magnetic materials with the transverse magnetization under the excitation of the surface plasmon polariton waves. The e…
Magnetophotonics for sensing and magnetometry towards industrial applications
Conrad Rizal, Maria Grazia Manera, Daria O. Ignatyeva +5
Magnetic nanostructures sustaining different kinds of optical modes have been used for magnetometry and label-free ultrasensitive refractive index probing, where the main challenge…
Optical excitation and probing of the antiferromagnetic modes with non-uniform in-depth distribution in birefringent antiferromagnetic crystals
A. A. Voronov, D. O. Ignatyeva, A. K. Zvezdin +2
Optical pump-probe setups are commonly used for excitation and investigation of the spin dynamics in various types of magnetic materials. However, usually the spatially homogeneous…
Magneto-optics of the 2D iron-garnet nanocylinder array with localized and lattice modes
Polina E. Zimnyakova, Daria O. Ignatyeva, Dolendra Karki +5
We experimentally show the enhancement of the Faraday and transverse magneto-optical Kerr effects in the two-dimensional arrays of nanocylinders made of bismuth-substituted iron-ga…
Circular displacement current induced anomalous magneto-optical effects in high index Mie resonators
Shuang Xia, Daria Ignatyeva, Qing Liu +11
Dielectric Mie nanoresonators showing strong light-matter interaction at the nanoscale may enable new functionality in photonic devices. Recently, strong magneto-optical effects ha…
Birefringence-mediated enhancement of the magneto-optical activity in anisotropic magnetic crystals
D. O. Ignatyeva, A. A. Voronov, P. V. Shilina +5
Optical anisotropy is usually treated as an unfavorable condition for the magneto-optical measurements since it is known to diminish the Faraday rotation concerning the case of the…
Nanophotonic structures with optical surface modes for tunable spin current generation
P. V. Shilina, D. O. Ignatyeva, P. O. Kapralov +9
Heat generated by spin currents in spintronics-based devices is typically much less than that generated by charge current flows in conventional electronic devices. However, the con…
Layer-Selective Magnetization Switching in the Chirped Photonic Crystal with GdFeCo
O. V. Borovkova, D. O. Ignatyeva, V. I. Belotelov
Here we propose a magnetophotonic structure for the layer-selective magnetization switching with ultrashort laser pulses of different wavelengths. It is based on a chirped magnetop…
Vector magneto-optical magnetometer based on the resonant all-dielectric gratings with highly anisotropic iron-garnet films
D. O. Ignatyeva, G. A. Knyazev, A. N. Kalish +2
A sensitive vector magnetometry with high spatial resolution is important for various practical applications, such as magnetocardiography, magnetoencephalography, explosive materia…
Amplification of Electrostriction Mechanism of Photoacoustic Conversion in Layered Media
Grigory Knyazev, Daria Ignatyeva, Ivan Sopko +2
In this work we have performed an analysis of electrostriction mechanism of optical to acoustical energy conversion on the interface of two materials with low optical absorption. W…