NANOPHONONICS
Controlling sound at the nanoscale
We generate, manipulate and detect acoustic phonons at the nanoscale, and explore how they interact with light, matter and other excitations. Phonons are the quantum description of vibrations in solids. By controlling them at nanometric scales, we can probe and engineer the interaction between mechanical motion and other physical degrees of freedom.
Our experiments rely strongly on optical techniques, enabling us to access acoustic excitations far beyond the range of audible sound.
If you want to know more about how we control these atomic vibrations, and how light can be used to study them, navigate through our website!
Nanophononics papers
Our paper on environmentally responsive hypersound materials demonstrates humidity-tunable nanoacoustic resonators, opening new possibilities for reconfigurable nanophononic devices and high-frequency sensing. Close collaboration with the Instituto de Nanosistemas (Universidad Nacional de San Martín), and the Laboratoire de Chimie de la Matière Condensée de Paris (Sorbonne Université, CNRS).
Our paper on ferromagnetic superlattices demonstrates ultrahigh-frequency nanoacoustic modes in magnetic multilayers, opening new possibilities for phonon-driven spin dynamics and magnetoacoustic devices.
Our paper on self-assembled hypersonic phononic insulators demonstrates GHz phononic band gaps in scalable two-dimensional colloidal crystals, providing a simple platform for controlling high-frequency acoustic waves.
Our latest news
Stay updated and see our latest news.
- HARVESTING COHERENT HYPERSOUND WITH ELLIPTICAL MICROPILLARSScientists have harnessed elliptical micropillars to enhance the generation and detection of coherent acoustic phonons in the gigahertz range. This
- SPIE Photonics Europe 2024The Nanophonics group went to Strasbourg from the 7th to the 11th April for the 2024 edition of the SPIE
- TOPOLOGICAL HARMONICS OF HYPERSOUND: BREAKTHROUGH IN TOPOLOGICAL INTERFACE STATES OF ACOUSTIC WAVES AT THE NANOSCALEAt the intersection between nanophononics and topology, groundbreaking technological advancements are on the horizon. Physicists develop strategies to confine ultra-high
