8 papers · 1 filter
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…
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…