Results 201 to 210 of about 64,191 (298)

Nearly 180° Field‐of‐View Metalens for Miniaturized Imaging Systems

open access: yesLaser &Photonics Reviews, Volume 20, Issue 3, 5 February 2026.
A compact, single‐layer metalens is developed with an ultra‐wide field of view of ≈180 degrees. Utilizing a unique quadratic phase profile, this metalens overcomes traditional issues like axial and color dispersion. It operates across red, green, and blue wavelengths with non‐polarized light, promising enhanced imaging capabilities for integration into
Azhar Javed Satti   +9 more
wiley   +1 more source

Plasmonic Su-Schrieffer-Heeger chains with strong coupling amplitudes. [PDF]

open access: yesSci Adv
Schurr B   +8 more
europepmc   +1 more source

Inverse‐Designed On‐Chip Orbital Angular Momentum Mode Converter for Optical Convolution Acceleration

open access: yesNanophotonics, Volume 15, Issue 3, 12 February 2026.
This work proposes OAM‐encoded CNN based on cascaded on‐chip OAM converters and multiplexers. The footprint of inverse‐designed converters is 5 μm × 4 μm and the maximum conversion efficiency of OAM reaches 88%. The OAM‐encoded optical CNN was built using this device, achieving 98.0% accuracy on MNIST and 86.1% accuracy on Fashion‐MNIST classification.
Yumeng Chen   +4 more
wiley   +1 more source

Plasmonic Ag Nanowire Coated With ZnO Dense Layers or ZnO Nanoparticles as Transparent Electrode for Organic Photovoltaics

open access: yesProgress in Photovoltaics: Research and Applications, Volume 34, Issue 2, Page 219-231, February 2026.
For the first time, this study explores whether multilayered electrodes incorporating either dense oxide layers or nanoparticles yield superior performance in organic photovoltaics. We demonstrate enhanced light absorption as well as input on temperature increases.
Kailash   +5 more
wiley   +1 more source

Highly Selective Photocatalytic Degradation of Organic Pollutants by ZnO@C Core–Shell Nanoparticles Via Superoxide Radical Pathway

open access: yesSmall, Volume 22, Issue 8, 6 February 2026.
This study investigates a novel two‐step synthesis of ZnO@C nanoparticles (NPs), featuring enhanced photocatalytic dye degradation via selective superoxide (O2•−) radical generation under visible light. The precisely engineered carbon shell uniquely improves light–matter interaction and visible‐light absorption, as well as facilitates efficient charge ...
Neena Prasad   +10 more
wiley   +1 more source

Phase Modulation for Quadruplex Channels of Arbitrary Orthogonal Polarization States via Bilayer Metasurfaces

open access: yesNanophotonics, Volume 15, Issue 2, 27 January 2026.
This work demonstrates a strategy for four‐channel phase modulation and flexible energy distribution of arbitrary orthogonal states of polarization under incomplete polarization conversion conditions. Such a strategy can be implemented through an all‐dielectric free‐standing bilayer metasurface configuration and can be used for multichannel optical ...
Wei Wang   +7 more
wiley   +1 more source

One-Step Leapfrog LOD-BOR-FDTD Algorithm with CPML Implementation [PDF]

open access: gold, 2016
Yigang Wang   +5 more
openalex   +1 more source

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