Acoustic waves in solid and fluid layered materials
This is a comprehensive theoretical survey of acoustic wave propagation in layered
materials including elastic, viscoelastic and piezoelectric layers. The phonon modes are …
materials including elastic, viscoelastic and piezoelectric layers. The phonon modes are …
Acoustic Analogue of Electronic Bloch Oscillations and Resonant Zener Tunneling<? format?> in Ultrasonic Superlattices
We demonstrate the existence of Bloch oscillations of acoustic fields in sound propagation
through a superlattice of water cavities and layers of methyl methacrylate. To obtain the …
through a superlattice of water cavities and layers of methyl methacrylate. To obtain the …
Real-time imaging of acoustic waves in bulk materials with X-ray microscopy
The dynamics of lattice vibrations govern many material processes, such as acoustic wave
propagation, displacive phase transitions, and ballistic thermal transport. The maximum …
propagation, displacive phase transitions, and ballistic thermal transport. The maximum …
Coherent generation of acoustic phonons in an optical microcavity
Ultrafast coherent generation of acoustic phonons is studied in a semiconductor optical
microcavity. The confinement of the light pulse amplifies both the generation and the …
microcavity. The confinement of the light pulse amplifies both the generation and the …
Engineering the hypersonic phononic band gap of hybrid Bragg stacks
We report on the full control of phononic band diagrams for periodic stacks of alternating
layers of poly (methyl methacrylate) and porous silica combining Brillouin light scattering …
layers of poly (methyl methacrylate) and porous silica combining Brillouin light scattering …
Phonon engineering with acoustic nanocavities: Theoretical considerations on phonon molecules, band structures, and acoustic Bloch oscillations
Acoustic nanocavities display localized acoustic states similar to the confined electronic
levels in atoms and quantum wells. Exploiting this parallel and concepts used in photonics …
levels in atoms and quantum wells. Exploiting this parallel and concepts used in photonics …
Brillouin scattering in hybrid optophononic Bragg micropillar resonators at 300 GHz
Inelastic scattering of light by acoustic phonons has potential for the tailored generation of
frequency combs, laser-line narrowing, and all-optical data storage. To be efficient, these …
frequency combs, laser-line narrowing, and all-optical data storage. To be efficient, these …
Bloch oscillations of THz acoustic phonons in coupled nanocavity structures
Nanophononic Bloch oscillations and Wannier-Stark ladders have been recently predicted
to exist in specifically tailored structures formed by coupled nanocavities. Using pump-probe …
to exist in specifically tailored structures formed by coupled nanocavities. Using pump-probe …
Selective optical generation of coherent acoustic nanocavity modes
Femtosecond pump-probe experiments on a Ga 0.85 In 0.15 As nanocavity enclosed by two
Ga 0.85 In 0.15 As/AlAs phonon Bragg mirrors reveal selective generation of terahertz …
Ga 0.85 In 0.15 As/AlAs phonon Bragg mirrors reveal selective generation of terahertz …
Steering sound propagation with Zeno barriers in acoustic waveguide arrays
ZX Huang, HW Wu, LL Cheng, PX **e, X Chen… - Applied Physics …, 2024 - pubs.aip.org
In quantum systems, a counterintuitive phenomenon known as quantum Zeno dynamics is
usually exploited to tailor and protect the coherent evolution of quantum states by the back …
usually exploited to tailor and protect the coherent evolution of quantum states by the back …