Meta-programmable analog differentiator

J Sol, DR Smith, P Del Hougne - Nature Communications, 2022 - nature.com
We present wave-based signal differentiation with unprecedented fidelity and flexibility by
purposefully perturbing overmoded random scattering systems such that zeros of their …

Anti-reflection structure for perfect transmission through complex media

M Horodynski, M Kühmayer, C Ferise, S Rotter, M Davy - Nature, 2022 - nature.com
The scattering of waves when they propagate through disordered media is an important
limitation for a range of applications, including telecommunications, biomedical imaging …

[图书][B] Principles of adaptive optics

RK Tyson, BW Frazier - 2022 - taylorfrancis.com
Principles of Adaptive Optics describes the foundations, principles, and applications of
adaptive optics (AO) and its enabling technologies. This leading textbook addresses the …

Reflectionless programmable signal routers

J Sol, A Alhulaymi, AD Stone, P Del Hougne - Science Advances, 2023 - science.org
We demonstrate experimentally that reflectionless scattering modes (RSMs), a generalized
version of coherent perfect absorption, can be functionalized to perform reflectionless …

Optimal Blind Focusing on Perturbation‐Inducing Targets in Sub‐Unitary Complex Media

J Sol, L Le Magoarou… - Laser & Photonics …, 2024 - Wiley Online Library
The scattering of waves in a complex medium is perturbed by polarizability changes or
displacements of embedded targets. These perturbations can serve as perfectly non …

Exceptional Points of -Symmetric Reflectionless States in Complex Scattering Systems

C Ferise, P Del Hougne, S Félix, V Pagneux, M Davy - Physical Review Letters, 2022 - APS
We investigate experimentally and analytically the coalescence of reflectionless (RL) states
in symmetric complex wave-scattering systems. We observe RL exceptional points (EPs) …

On‐demand coherent perfect absorption in complex scattering systems: time delay divergence and enhanced sensitivity to perturbations

P del Hougne, KB Yeo, P Besnier… - Laser & Photonics …, 2021 - Wiley Online Library
Non‐Hermitian photonic systems capable of perfectly absorbing incident radiation recently
attracted much attention both because fundamentally they correspond to an exotic scattering …

Coherent resonant transmission

HS Xu, L Jin - Physical Review Research, 2022 - APS
The reflectionless coherent light transport in the coupled resonator array is investigated in
the presence of intra-resonator intermodal coupling between the clockwise and …

Experimental demonstration of virtual critical coupling to a single-mode microwave cavity

T Delage, O Pascal, J Sokoloff… - Journal of Applied Physics, 2022 - pubs.aip.org
We present an experimental realization of virtual critical coupling in microwave, ie, virtual
perfect absorption of an incident wave by a resonant cavity, through transient time …

Equireflectionality and customized unbalanced coherent perfect absorption in asymmetric waveguide networks

M Röntgen, O Richoux, G Theocharis, CV Morfonios… - Physical Review …, 2023 - APS
We explore the scattering of waves in designed asymmetric one-dimensional waveguide
networks. We show that the reflection between two ports of an asymmetric network can be …