Liubov Ivzhenko
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Influence of photon-magnon coupling to enhance spin-wave excitation Open
One of the main challenges in magnonics is the efficiency of the conversion of microwave signals into spin waves. This efficiency is low due to the significant mismatch between microwave and spin wave wavelengths in the GHz range $10^{-2}$…
Edge modes in 1D microwave photonic crystal Open
The microstrip of modulated width is a realization of a one-dimensional photonic crystal operating in the microwave regime. Like any photonic crystal, the periodic microstrip is characterised by the presence of frequency bands and band gap…
Manipulation over Surface Waves in Bilayer Hyperbolic Metasurfaces: Topological Transition and Multidirectional Canalization Open
Spoof surface plasmon-polariton is a type of surface wave propagating at the artificially engineered structures in microwave and terahertz ranges. These surface waves are highly important in planar photonic and on-chip devices, integrated …
Manipulation Over Surface Waves in Bilayer Hyperbolic Metasurfaces: Topological Transition and Multidirectional Canalization Open
Equal frequency contours of surface waves propagating along the metasurface on 6.5 GHz for α = 0 deg and propagation angle φ = 90 deg.\nThis work was supported in part by NCN OPUS-LAP project no 2020/39/I/ST3/02413.
Dispersion properties of artifi cial topological insulators based on an infi nite double-periodic array of elliptical quartz elements Open
Subject and Purpose. Special features of all-dielectric electromagnetic analogues of topological insulators (TI) in the microwave range are considered, aiming at studying the influence of geometrical and constitutive parameters of TI eleme…
Edge modes in 1D microwave photonic crystal Open
The microstrip of modulated width is a realization of a one-dimensional photonic crystal operating in the microwave regime. Like any photonic crystal, the periodic microstrip is characterised by the presence of frequency bands and band gap…
Defect modes in the spectrum of the wire medium in the microwave range Open
В настоящее время большое внимание уделяется изучению дефектных мод, возникающих вследствие нарушения периодичности в фотонных кристаллах. Этот интерес обусловлен тем, что в природе проявление нарушения периодичности встречается чаще, чем …
Resonant response in mechanically tunable metasurface based on crossed metallic gratings with controllable crossing angle Open
We report on a modern class of mechanically tunable planar metamaterials comprising resonating units formed by crossed metallic strip gratings. We observe a resonant response in transmission spectra of a linearly polarized wave passing thr…
MECHANICALLY TUNABLE WIRE MEDIUM METAMATERIAL IN THE MILLIMETER WAVE BAND Open
The paper is devoted to experimental and theoretical study of spectra zone characteristics of the wire medium metamaterial with mechanically tunable unit cell.We experimentally demonstrated the effective control possibility of the spectral…