[HTML][HTML] Progress and perspectives on phononic crystals

T Vasileiadis, J Varghese, V Babacic… - Journal of Applied …, 2021 - pubs.aip.org
Phononic crystals (PnCs) control the transport of sound and heat similar to the control of
electric currents by semiconductors and metals or light by photonic crystals. Basic and …

[HTML][HTML] Probing gigahertz coherent acoustic phonons in TiO2 mesoporous thin films

ERC de Oliveira, C Xiang, M Esmann, NL Abdala… - Photoacoustics, 2023 - Elsevier
Ultrahigh-frequency acoustic-phonon resonators usually require atomically flat interfaces to
avoid phonon scattering and dephasing, leading to expensive fabrication processes, such …

Topological nanophononic states by band inversion

M Esmann, FR Lamberti, P Senellart, I Favero, O Krebs… - Physical Review B, 2018 - APS
Nanophononics is essential for the engineering of thermal transport in nanostructured
electronic devices, it greatly facilitates the manipulation of mechanical resonators in the …

Picosecond ultrasonics with a free-running dual-comb laser

J Pupeikis, B Willenberg, F Bruno, M Hettich… - Optics …, 2021 - opg.optica.org
We present a free-running 80-MHz dual-comb polarization-multiplexed solid-state laser
which delivers 1.8 W of average power with 110-fs pulse duration per comb. With a high …

Rayleigh waves in phononic crystal made of multilayered pillars: confined modes, fano resonances, and acoustically induced transparency

M Oudich, B Djafari-Rouhani, B Bonello, Y Pennec… - Physical Review …, 2018 - APS
We present a design of phononic crystal based on pillars distributed on a substrate surface
in which each pillar is constructed by a periodic stacking of PMMA and silicon layers. The …

Subwavelength control of photons and phonons in release-free silicon optomechanical resonators

J Zhang, P Nuño Ruano, X Le-Roux… - ACS …, 2022 - ACS Publications
Integrated optomechanics finds increasingly broadening applications, requiring tight
confinement of photons and phonons within nanometric-scale photonic circuits. However …

Polaromechanics: polaritonics meets optomechanics

PV Santos, A Fainstein - Optical Materials Express, 2023 - opg.optica.org
Cavity exciton polariton physics and cavity optomechanics have evolved into mature and
active domains with, so far, very little connections between them. We argue here that there …

Asynchronous locking in metamaterials of fluids of light and sound

DL Chafatinos, AS Kuznetsov, AA Reynoso… - Nature …, 2023 - nature.com
Lattices of exciton-polariton condensates represent an attractive platform for the study and
implementation of non-Hermitian bosonic quantum systems with strong non-linear …

Topological acoustics in coupled nanocavity arrays

M Esmann, FR Lamberti, A Lemaître… - Physical Review B, 2018 - APS
The Su-Schrieffer-Heeger (SSH) model is likely the simplest one-dimensional concept to
study nontrivial topological phases and topological excitations. Originally developed to …

Brillouin scattering in hybrid optophononic Bragg micropillar resonators at 300 GHz

M Esmann, FR Lamberti, A Harouri, L Lanco, I Sagnes… - Optica, 2019 - opg.optica.org
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 …