Results 41 to 50 of about 3,496 (191)

Fabrication Technologies for Soft, Multimaterial Optical Fibers for In Vivo Diagnostics and Phototherapy, With a Focus on Extrusion Printing

Advanced Materials Technologies, EarlyView.
Soft multimaterial optical fibers integrate multiple functionalities—such as waveguiding, side emission, sensing, drug delivery or actuation—into a single filament for wearable, implantable, and tissue‐integrated devices for diagnostics and phototherapy.
Zahra Kafrashian, Jun Feng, Aránzazu del Campo   +2 more
wiley   +1 more source

An angular dispersion-free resonant metasurface for quantum photon pair generation

EPJ Applied Metamaterials
Metasurfaces supporting high quality factor resonances have shown the ability to enhance spontaneous parametric down-conversion (SPDC) process and are therefore seen as a promising platform for entangled quantum photon pair generation.
Wu Shuhao, Pusino Vincenzo, Cumming David R.S.   +2 more
doaj   +1 more source

Advances in Safe, Flexible, and Stretchable Batteries for Wearable Applications

Advanced Materials Technologies, EarlyView.
Unlike previous reviews centered on component‐based deformability, this work highlights safety‐driven design strategies for flexible and stretchable batteries. By integrating material‐level engineering, geometry‐controlled structures, biocompatibility, and self‐protection mechanisms, it establishes a unified framework that connects mechanical ...
Hyewon Kang, Garan Byun, Seunghyeb Ban, Yunuo Huang, Woon‐Hong Yeo   +4 more
wiley   +1 more source

Machine Learning Strategies for Reconfigurable Intelligent Surface-Assisted Communication Systems—A Review

Future Internet
Machine learning (ML) algorithms have been widely used to improve the performance of telecommunications systems, including reconfigurable intelligent surface (RIS)-assisted wireless communication systems.
Roilhi F. Ibarra-Hernández, Francisco R. Castillo-Soria, Carlos A. Gutiérrez, Abel García-Barrientos, Luis Alberto Vásquez-Toledo, J. Alberto Del-Puerto-Flores   +5 more
doaj   +1 more source

Photonic Hybrid Integration: Strategies and Promises of Advanced Additive Manufacturing

Advanced Optical Materials, EarlyView.
Heterogeneous photonic integration combines wafer bonding, transfer printing, and advanced multi‐photon lithography to realize compact, adaptable photonic systems. This review highlights breakthroughs in hybrid materials, metrology, and 4D printing, revealing how the convergence of traditional and emerging fabrication unlocks scalable, high‐performance
Zhitian Shi, Huiyu Huang, Richard Penty, Qixiang Cheng   +3 more
wiley   +1 more source

Ferroelectric Fluids for Nonlinear Photonics: Evaluation of Temperature Dependence of Second‐Order Susceptibilities

Advanced Optical Materials, EarlyView.
Nonlinear optical susceptibilities of five different materials that exhibit the ferroelectric nematic phase, as well as smectic A ferroelectric phase, are determined. The materials investigated include archetypal molecular architectures as well as mixtures showing room‐temperature ferroelectric phases.
Matija Lovšin, Luka Cmok, Calum J. Gibb, Jordan Hobbs, Richard J. Mandle, Alenka Mertelj, Irena Drevenšek‐Olenik, Nerea Sebastián   +7 more
wiley   +1 more source

An Open-Source SDR-Based Device-Free Sensing Platform for Integrated Sensing and Communication (ISAC)

IEEE Open Journal of the Communications Society
Integrated Sensing and Communication (ISAC) is a key use case in International Mobile Telecommunications (IMT)-2030, as defined by the International Telecommunication Union-Radiocommunication Sector (ITU-R).
Hanae Otani, Tomoki Murakami, Kazuya Ohara, Shinya Otsuki, Yasushi Takatori, Tomoaki Ogawa   +5 more
doaj   +1 more source

White Light Generation From YAG:Ce‐Doped Phosphate Glass‐Based Composite Fibers

Advanced Optical Materials, EarlyView.
The first white‐light‐emitting composite fiber based on YAG:Ce3+ phosphors in phosphate glass is developed. The glass composition is custom‐engineered to enhance thermal stability and to match YAG:Ce3+ refractive index, ensuring composite transparency.
Khaldoon Nasser, Hùng Nguyên Trân, Arjun Vakkada Ramachandran, Mikko Närhi, Turkka Salminen, Catherine Boussard‐Plédel, Johann Troles, Tian‐Long Guo, Matthieu Roussey, Laeticia Petit   +9 more
wiley   +1 more source

Accelerating Luminescence in Nanostructures: Exploring the Physical Limits and Impact of Ultrafast Emission in Nanoscale Materials

Advanced Photonics Research, EarlyView.
This review highlights recent advances in accelerating luminescence in nanostructures through cooperative emission, resonator coupling, and nonlocal light–matter interactions. By unifying concepts such as excitonic superradiance, superfluorescence, and the plasmonic Purcell effect, it reveals physical limits of ultrafast emission and their potential ...
Masaaki Ashida, Koichi Okamoto, Takuya Matsuda, Hajime Ishihara   +3 more
wiley   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source