Synergetic full-parametric Aharonov–Anandan and Pancharatnam–Berry phase for arbitrary polarization and wavefront control [PDF]
Electromagnetic devices with multiple polarization modes are urgently needed in remote sensing detection and radar imaging due to their ability to obtain scattering information from targets through manipulation of full-parametric Jones matrix components (
Liu Tong +7 more
doaj +2 more sources
Fluxgate Magnetometers Based on New Physical Principles [PDF]
This article considers a fluxgate magnetometer (FM) that operates based on a new physical principle. The authors analyze how the alternating electric charge potential of a cylindrical metal electrode impacts the structure of a cylindrical permanent ...
Ivan V. Bryakin +4 more
doaj +2 more sources
Parametric Excitation and Instabilities of Spin Waves Driven by Surface Acoustic Waves
The parametric excitation of spin waves by coherent surface acoustic waves in metallic magnetic thin film structures is demonstrated experimentally using Brillouin light scattering spectroscopy.
Moritz Geilen +13 more
doaj +3 more sources
Sustained amplification of coherent spin waves by parametric pumping with surface acoustic waves
Parametric amplification offers a route to overcoming intrinsic damping in spin-wave systems, a key challenge in the development of magnonic signal processing and computing technologies.
Carson Rivard +2 more
doaj +3 more sources
Influence of three-magnon decays on electromotive force generation by magnetostatic surface waves in integral YIG – Pt structures [PDF]
The purpose of this work is to find out the influence of three-magnon decay processes on the electromotive force (EMF (U)) generated by propagating magnetostatic surface waves (MSSW) with the help of the inverse spin Hall effect in the “yttrium ...
Seleznev, M. E. +8 more
doaj +1 more source
Experimental methods for the study of spin waves [PDF]
Purpose of this paper is to give an overview of various experimental methods for investigation of spin waves characteristics. Methods. The paper presents a description of a number of experimental techniques, such as the probing method, the phase shift ...
Gerus, Sergei Валерианович +1 more
doaj +1 more source
Effect of probing signal on the output signals spectrum of nonlinear spin waves in a cross based on waveguides of iron-yttrium garnet film [PDF]
Subject. A change in the spectrum of spin waves (SW) in a magnetic cross is investigated when two signals pass through it: a pump signal and a probe signal. Objective. Detection of specific features in formation of the spectra of the output signals of SW
Kozhevnikov, Aleksandr Vladimirovich +8 more
doaj +1 more source
Influence of parametric instability on spin pumping by dipole-exchange magnetostatic surface waves in YIG–Pt structures [PDF]
The purpose of this work is to study the influence of four-magnon (4M) parametric instability on spin pumping by dipole-exchange magnetostatic surface waves (MSSW) with the help of the inverse spin Hall effect (ISHE) in structures based on yttrium-iron ...
Seleznev, M. E. +7 more
doaj +1 more source
Magnetic field direction influence on the spectrum of spin waves output signals at three-magnon decay of magnetostatic surface waves in a cross based on waveguides of yttrium iron garnet film [PDF]
Subject. We studied the effect of magnetic field H direction on the spectrum of the output signals in a 4-port cross-shaped structure where magnetostatic surface waves (MSSW) are excited by an input transducer under the condition of the first-order ...
Kozhevnikov, Aleksandr Vladimirovich +8 more
doaj +1 more source
Parametric excitation and mode control using an Oersted field in a NiFe nanowire
Parametric pumping is a nonlinear wave phenomenon and a promising technique for electronic devices based on spin waves, so-called “magnonics”. For parametric excitation, a magnetic nanowire system that has a built-in dc current line to produce an Oersted
S. Hwang +4 more
doaj +1 more source

