Results 261 to 270 of about 398,053 (318)

Weaving Intelligence: Thermally Drawn Multimaterial Fibers Toward AI‐Enabled Smart Textiles

Advanced Materials, EarlyView.
Thermally drawn multimaterial fibers are rapidly advancing as intelligent structural units for next‐generation smart textiles. Integrating multimaterial architectures with neuromorphic and spiking‐neural‐network principles enables fabrics that can sense, compute, and adapt autonomously.
Vuong Dinh Trung, Jiaxiang Yi, Hieu Nguyen‐Duc, Tien Nu Hoang Lo, Weili Zhao, Chaoqun Dong, Fabien Sorin, Baris Caglar, Lei Wei, Tung Nguyen‐Dang   +9 more
wiley   +1 more source

Second‐Harmonic Hyper‐Mie Optical Activity Enables Closed‐Loop Chiral Photochemistry

Advanced Materials, EarlyView.
Nonlinear chiral photochemistry is demonstrated in CdTe/CdO nanohelices, where circularly polarized infrared light both drives and tracks photo‐oxidation via second‐harmonic scattering. This closed‐loop process reveals real‐time structural evolution, including shell fracturing and core exposure, accompanied by a transition from hyper‐Mie to hyper ...
Hoyeon Choi, Kody Whisnant, Ben J. Olohan, E. Petronijevic, G. Dan Pantoș, Nicholas A. Kotov, Ventsislav K. Valev   +6 more
wiley   +1 more source

Machine Learning Accelerated Computational Design of Bio‐Inspired Catalysts in the Nitrogen Reduction Reaction

Advanced Materials, EarlyView.
We introduce a computational workflow that combines quantum chemical calculations and machine learning techniques to predict the catalytic performance of a wide range of catalysts in the nitrogen reduction reaction (NRR). The analysis of the trained models provides insights into the complex structure–activity relationship in experimental catalytic ...
Leonardo Di Ciano, Zihan You, Haoran Chen, Qifan Zhong, Rong‐Zhen Liao, Shaoqi Zhan   +5 more
wiley   +1 more source

Super‐Resolution Ultrasound Based Cell Tracking With Polymeric Nanobubbles

Advanced Materials, EarlyView.
This study presents a super‐resolution ultrasound platform for tracking cells in vivo. Biocompatible polymeric nanobubbles are used as highly echogenic intracellular labels. Following the injection of cells and microbubbles, ultrasound localization microscopy (ULM) can dynamically match the microvascular architecture and individual cell trajectories ...
Junlin Chen, Xiaoyu Wang, Jilin Fan, Bi Wang, Hanghang Fang, Yurui Wang, Hao Cui, Mohammad Roufarshbaf, Ekaterina Savina, Alexandra Valeske, Quim Peña, Yang Shi, Andreas Herrmann, Twan Lammers, Mathias Hornef, Roman Barmin, Thomas Lisson, Georg Schmitz, Anne Rix, Fabian Kiessling   +19 more
wiley   +1 more source

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Nonlinear Photovoltaic Effect

LEOS 2007 - IEEE Lasers and Electro-Optics Society Annual Meeting Conference Proceedings, 2007
The theory of nonlinear photovoltaic effect is developed and compared with experiments. By harvesting the optical energy lost to two-photon absorption, this new photovoltaic effect offers an energy-efficient solution in nonlinear silicon photonics.
Jalali, B, Fathpour, S, Tsia, KK
openaire   +2 more sources

The nonlinear Fano effect

Nature, 2008
The Fano effect is ubiquitous in the spectroscopy of, for instance, atoms, bulk solids and semiconductor heterostructures. It arises when quantum interference takes place between two competing optical pathways, one connecting the energy ground state and an excited discrete state, the other connecting the ground state with a continuum of energy states ...
M, Kroner, A O, Govorov, S, Remi, B, Biedermann, S, Seidl, A, Badolato, P M, Petroff, W, Zhang, R, Barbour, B D, Gerardot, R J, Warburton, K, Karrai   +11 more
openaire   +2 more sources

Nonlinear Talbot Effect

Physical Review Letters, 2010
We propose and experimentally demonstrate the nonlinear Talbot effect from nonlinear photonic crystals. The nonlinear Talbot effect results from self-imaging of the generated periodic intensity pattern at the output surface of the crystal. To illustrate the effect, we experimentally observed second-harmonic Talbot self-imaging from 1D and 2D ...
Yong, Zhang, Jianming, Wen, S N, Zhu, Min, Xiao   +3 more
openaire   +2 more sources

On the Nonlinear Distortion Effects in Nonlinear Distortion Effects in

2006 International Conference on Emerging Technologies, 2006
Radio over fiber (RoF) system is a promising technique for microcell and picocell applications for deployment of future ubiquitous wireless data networks. However, the performance of RoF systems can be severely degraded due to nonlinear effects in the channel. Also, orthogonal frequency division multiplexing (OFDM), as a standard for broadband wireless
Ahm Razibul Islam, Rishad Ahmed Shafik, Md. Shahriar Rahman, Ju Bin Song   +3 more
openaire   +1 more source

Nonlinear gravitational effect

Physical Review Letters, 1990
Summary: We examine propagation of gravitational wave packets in \(T^3\times\mathbb{R}\) spacetimes with one and two global spatial Killing vectors. The analysis migrates from a regime where the linearized solutions are valid to domains that can only be addressed by numerical solution, with the intention of understanding the first nonlinear effects of ...
openaire   +3 more sources

Are Hysteresis Effects Nonlinear?

Do temporary aggregate demand shocks have lasting effects, and are they asymmetric between contractions and expansions? Using U.S. data from 1983:Q1-2019:Q4, we identify demand shocks with potential long-run consequences via a Bayesian SVAR and trace their propagation with nonlinear local projections.
Di Francesco, Damiano, Carnevale, Omar Pietro   +1 more
openaire   +2 more sources