160 citations · 515 across the 17 of their papers we have counts for
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Nonreciprocal phonon propagation via spatially asymmetric magnon-phonon coupling
Hiroyuki Moriya, Motoki Asano, Daiki Hatanaka +3
Nonreciprocal propagation of surface acoustic waves (SAWs) based on the spatial asymmetry of magnon-phonon coupling is demonstrated. This nonreciprocity is enabled by an acoustic w…
On-chip magnon polaron generation in mode-matched cavity magnomechanics
Daiki Hatanaka, Motoki Asano, Megumi Kurosu +3
Generation of magnon polarons, which are hybridized states resulting from strong magnon-phonon coupling, is a key to enabling coherent manipulation in acoustic and spintronic devic…
Evanescently coupled topological ring-waveguide systems for chip-scale ultrahigh frequency phononic circuits
Daiki Hatanaka, Hiroaki Takeshita, Motoki Kataoka +3
Topological phononics enabling backscattering-immune transport is expected to improve the performance of electromechanical systems for classical and quantum information technologie…
Cavity magnomechanical coupling with coupled magnon modes in a synthetic antiferromagnet
Motoki Asano, Hiroki Matsumoto, Masamitsu Hayashi +1
On-chip cavity magnomechanics is an emerging field exploring acoustic and magnonic functionalities of various ferromagnetic materials and structures using strongly confined phonons…
Quadrature skyrmions in two-dimensionally arrayed parametric resonators
Hiroshi Yamaguchi, Daiki Hatanaka, Motoki Asano
Skyrmions are topological solitons in two-dimensional systems and have been observed in various physical systems. Generating and controlling skyrmions in artificial resonator array…
Impedance-matched High-overtone Bulk Acoustic Resonator
Megumi Kurosu, Daiki Hatanaka, Ryuichi Ohta +3
A high-overtone bulk acoustic resonator (HBAR), in which a piezoelectric transducer is set on an acoustic cavity, has been attracting attention in both fundamental research and RF…
Phononic-crystal cavity magnomechanics
Daiki Hatanaka, Motoki Asano, Hajime Okamoto +1
Establishing a way to control magnetic dynamics and elementary excitations (magnons) is crucial to fundamental physics and the search for novel phenomena and functions in magnetic…
Buckling-induced quadratic nonlinearity in silicon phonon waveguide structures
Megumi Kurosu, Daiki Hatanaka, Hajime Okamoto +1
We fabricated and characterized a single-crystal silicon phonon waveguide structure with lead zirconate titanate (PZT) piezoelectric transducers. The compressive stress in a silico…
Mode-sensitive magnetoelastic coupling in phononic-crystal magnomechanics
D. Hatanaka, H. Yamaguchi
Acoustically driven spin-wave resonance in a phononic crystal cavity is numerically investigated. The designed cavity enables confinement of gigahertz vibrations in a wavelength-sc…
Cavity magnomechanics with surface acoustic waves
D. Hatanaka, M. Asano, H. Okamoto +3
Magnons, namely spin waves, are collective spin excitations in ferromagnets, and their control through coupling with other excitations is a key technology for future hybrid spintro…
Multimode internal resonances in a MEMS self-sustained oscillator
S. Houri, D. Hatanaka, M. Asano +1
We investigate the dynamics of a microelectromechanical (MEMS) self-sustained oscillator supporting multiple resonating and interacting modes. In particular, the interaction of the…
Acoustic Kerr nonlinearity of wave propagation in a planar nanoelectromechanical waveguide
Megumi Kurosu, Daiki Hatanaka, Hiroshi Yamaguchi
Nonlinearity is the key to introducing novel concepts in various technologies utilizing traveling waves. In contrast to the field of optics, where highly functional devices have be…
Modal Analysis Investigation of Mechanical Kerr Frequency Combs
Samer Houri, Daiki Hatanaka, Yaroslav M. Blanter +1
The aim of this work is to theoretically investigate the possibility of Kerr frequency combs in mechanical systems. In particular, whether microelectrome-chanical devices (MEMS) ca…
Electrostatically induced phononic crystal
Daiki Hatanaka, Adrian Bachtold, Hiroshi Yamaguchi
The possibility of realizing an electrostatically induced phononic crystal is investigated numerically in an acoustic waveguide based on a graphene sheet that is suspended over per…
On-chip phononic time lens
Megumi Kurosu, Daiki Hatanaka, Koji Onomitsu +1
The ability to manipulate phonon waveforms in continuous media has attracted significant research interest and is crucial for practical applications ranging from biological imaging…
Broadband reconfigurable logic gates in phonon waveguides
Daiki Hatanaka, Tom Darras, Imran Mahboob +2
The high-quality-factor mechanical resonator in electromechanical systems has facilitated dynamic control of phonons via parametric nonlinear processes and paved the development of…
Phonon propagation dynamics in band-engineered one-dimensional phononic crystal waveguides
Daiki Hatanaka, Amaury Dodel, Imran Mahboob +2
The phonon propagation dynamics in a phononic crystal waveguide, realized via a suspended one-dimensional membrane array with periodic air holes, is investigated as function of its…
Phononic crystal waveguides for electromechanical circuits
Daiki Hatanaka, Imran Mahboob, Koji Onomitsu +1
Nanoelectromechanical systems (NEMS), utilising localised mechanical vibrations, were pioneered for sensors, signal processors and to study macroscopic quantum mechanics. Increasin…