28 citations · 65 across the 12 of their papers we have counts for
14 papers
Probing the wave-vector gap in nanoscale magnonics
Ondřej Wojewoda, Samer Kurdi, Toeno van der Sar +3
Short-wavelength spin waves are central to miniaturizing magnonic devices and to studying exchange-dominated magnetization dynamics. Yet the wave-vector range between roughly 30 an…
Two-magnon scattering in the framework of the Lippmann-Schwinger equation
Jorge Marquez Chavez, Ondřej Wojewoda, Yixuan Song +2
Controlling magnetic losses requires identifying the microscopic origin of extrinsic linewidth broadening. We introduce a Lippmann--Schwinger framework for two-magnon scattering fr…
Polarization-resolved measurement of forward volume spin waves by micro-focused Brillouin light scattering
Krzysztof Szulc, Mengying Guo, Ondřej Wojewoda +7
We show how the micro-focused BLS signal of forward volume spin waves is formed and why it remains observable despite symmetry-based "suppression" expectations. A reciprocity-theor…
SpinWaveToolkit: Python package for (semi-)analytical calculations in the field of spin-wave physics
Jan Klíma, Ondřej Wojewoda, Jakub Krčma +4
We present an open-source Python package, SpinWaveToolkit (SWT), for (semi-)analytical modeling of spin-wave dynamics in thin ferromagnetic films and exchange-coupled magnetic bila…
1D YIG hole-based magnonic nanocrystal
K. O. Levchenko, K. Davídková, R. O. Serha +12
Magnetic media with artificial periodic modulation-magnonic crystals (MCs) - enable tunable spin-wave dynamics and band structure engineering. Nanoscaling enhances these capabiliti…
Modeling of the micro-focused Brillouin light scattering spectra
Ondřej Wojewoda, Martin Hrtoň, Michal Urbánek
Although micro-focused Brillouin light scattering (BLS) has been used for more than twenty years, it lacks a complete theoretical description. This complicates the analysis of expe…
Zero-field spin wave turns
Jan Klíma, Ondřej Wojewoda, Václav Roučka +3
Spin-wave computing, a potential successor to CMOS-based technologies, relies on the efficient manipulation of spin waves for information processing. While basic logic devices like…
Unidirectional propagation of zero-momentum magnons
Ondřej Wojewoda, Jakub Holobrádek, Dominik Pavelka +7
We report on experimental observation of unidirectional propagation of zero-momentum magnons in synthetic antiferromagnet consisting of strained CoFeB/Ru/CoFeB trilayer. Inherent n…
Phase-resolved optical characterization of nanoscale spin waves
Ondřej Wojewoda, Martin Hrtoň, Meena Dhankhar +7
We study theoretically and experimentally the process of Brillouin light scattering on an array of silicon disks on a thin Permalloy layer. We show that phase-resolved Brillouin li…
Wideband Brillouin light scattering analysis of spin waves excited by a white-noise RF generator
Lukáš Flajšman, Ondřej Wojewoda, Huajun Qin +3
Spin waves are studied intensively for their intriguing properties and potential use in future technology platforms for the transfer and processing of information and microwave sig…
Observing high-k magnons with Mie-resonance-enhanced Brillouin light scattering
Ondřej Wojewoda, Filip Ligmajer, Martin Hrtoň +8
Magnonics is a prospective beyond CMOS technology which uses magnons, the quanta of spin waves, for low-power information processing. Many magnonic concepts and devices were recent…
Spin-wave dispersion measurement by variable-gap propagating spin-wave spectroscopy
Marek Vaňatka, Krzysztof Szulc, Ondřej Wojewoda +6
Magnonics is seen nowadays as a candidate technology for energy-efficient data processing in classical and quantum systems. Pronounced nonlinearity, anisotropy of dispersion relati…
Spin wave propagation in corrugated waveguides
Igor Turčan, Lukáš Flajšman, Ondřej Wojewoda +3
Curvature-induced effects allow us to tailor the static and dynamic response of a magnetic system with a high degree of freedom. We study corrugated magnonic waveguides deposited o…
Propagation of spin waves through a Néel domain wall
Ondřej Wojewoda, Tobias Hula, Lukáš Flajšman +10
Spin waves have the potential to be used as a new platform for data transfer and processing as they can reach wavelengths in the nanometer range and frequencies in the terahertz ra…