Loss-compensated non-reciprocal scattering based on synchronization

T Pedergnana, A Faure-Beaulieu, R Fleury… - Nature …, 2024 - nature.com
Breaking the reciprocity of wave propagation is a problem of fundamental interest, and a
much-sought functionality in practical applications, both in photonics and phononics …

Nonlinear acoustics of an aperture under grazing flow

AK Stoychev, T Pedergnana… - Proceedings of the …, 2024 - royalsocietypublishing.org
This work presents a mathematical model of a dynamically forced, acoustically compact
aperture subject to one-sided mean grazing flow in two or three dimensions. By contrast to …

[HTML][HTML] Smooth transformations and ruling out closed orbits in planar systems

T Pedergnana, N Noiray - Chaos: An Interdisciplinary Journal of …, 2023 - pubs.aip.org
This work deals with planar dynamical systems with and without noise. In the first part, we
seek to gain a refined understanding of such systems by studying their differential-geometric …

[HTML][HTML] Synchronization under saturable nonlinearity

AK Stoychev, T Pedergnana, N Noiray - Chaos: An Interdisciplinary …, 2024 - pubs.aip.org
In this theoretical work, we introduce a nonlinear gain saturation law representative of the
experimentally observed properties manifested by phenomena ranging from aeroacoustic …

Synchronization-based lossless non-reciprocal scattering

T Pedergnana, A Faure-Beaulieu, R Fleury… - arXiv preprint arXiv …, 2024 - arxiv.org
Breaking the reciprocity of wave propagation is a problem of fundamental interest, and a
mucht-sought functionality in practical applications, both in photonics and phononics …

Superradiant Scattering at Coupled Policeman Whistle Meta-Atoms

AK Stoychev, X Guo, U Kuhl… - … Congress on Artificial …, 2024 - ieeexplore.ieee.org
Superradiant Scattering at Coupled Policeman Whistle Meta-Atoms Page 1 18th
International Congress on Artificial Materials for Novel Wave Phenomena - Metamaterials …