Intelligent metasurfaces: control, communication and computing
Controlling electromagnetic waves and information simultaneously by information
metasurfaces is of central importance in modern society. Intelligent metasurfaces are smart …
metasurfaces is of central importance in modern society. Intelligent metasurfaces are smart …
Analogue computing with metamaterials
Despite their widespread use for performing advanced computational tasks, digital signal
processors suffer from several restrictions, including low speed, high power consumption …
processors suffer from several restrictions, including low speed, high power consumption …
Deep physical neural networks trained with backpropagation
Deep-learning models have become pervasive tools in science and engineering. However,
their energy requirements now increasingly limit their scalability. Deep-learning …
their energy requirements now increasingly limit their scalability. Deep-learning …
Smart radio environments empowered by reconfigurable AI meta-surfaces: An idea whose time has come
Future wireless networks are expected to constitute a distributed intelligent wireless
communications, sensing, and computing platform, which will have the challenging …
communications, sensing, and computing platform, which will have the challenging …
An optical neural network using less than 1 photon per multiplication
Deep learning has become a widespread tool in both science and industry. However,
continued progress is hampered by the rapid growth in energy costs of ever-larger deep …
continued progress is hampered by the rapid growth in energy costs of ever-larger deep …
Wavefront shaping: a versatile tool to conquer multiple scattering in multidisciplinary fields
Optical techniques offer a wide variety of applications as light-matter interactions provide
extremely sensitive mechanisms to probe or treat target media. Most of these …
extremely sensitive mechanisms to probe or treat target media. Most of these …
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 …
purposefully perturbing overmoded random scattering systems such that zeros of their …
Imaging and computing with disorder
S Gigan - Nature Physics, 2022 - nature.com
Complex and inhomogeneous media are ubiquitous around us. Snow, fog, biological
tissues and turbid water—even just a piece of frosted glass—are opaque to light due to …
tissues and turbid water—even just a piece of frosted glass—are opaque to light due to …
In situ optical backpropagation training of diffractive optical neural networks
Training an artificial neural network with backpropagation algorithms to perform advanced
machine learning tasks requires an extensive computational process. This paper proposes …
machine learning tasks requires an extensive computational process. This paper proposes …
Backpropagation-free training of deep physical neural networks
Recent successes in deep learning for vision and natural language processing are
attributed to larger models but come with energy consumption and scalability issues. Current …
attributed to larger models but come with energy consumption and scalability issues. Current …