Results 291 to 300 of about 328,962 (374)
Designand Implementation of a Novel Wideband HF Communication System Based on NC-OFDM and Probabilistic Shaping. [PDF]
Sensors (Basel)Yang R, Bai Y, Hu Z.
europepmc +1 more source
Advanced Materials Technologies, EarlyView.A broadband terahertz polarization rotator consisting of twistingly stacked silicon–air metagratings is designed based on the polarization guiding effect and experimentally shown to achieve 90° linear polarization rotation for both TE and TM incidences.
Yun‐Seok Choi +4 more
wiley +1 more source
Dual-Mode Reconfigurable Frequency-Selective Surface for Switching Between Narrowband and Wideband Applications. [PDF]
Micromachines (Basel)Uslu B +2 more
europepmc +1 more source
Enhanced Self‐Phase Modulation in Silicon Nitride Waveguides Integrated With 2D MoS2 Films
Advanced Materials Technologies, EarlyView.ABSTRACT On‐chip integration of 2D materials provides a promising route toward next‐generation integrated optical devices with performance beyond existing limits. Here, significantly enhanced spectral broadening induced by self‐phase modulation (SPM) is experimentally demonstrated in silicon nitride (Si3N4) waveguides integrated with 2D monolayer ...
Shahaz S. Hameed +15 more
wiley +1 more source
A Switched-Line True Time Delay Unit for Wideband Phased Arrays Using Packaged RF MEMS Switches. [PDF]
Sensors (Basel)Thomas DWK, Wu K, Guo YJ.
europepmc +1 more source
Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.This article presents a hybrid metal‐dielectric metasurface in transmission mode for mid‐infrared (MIR) spectroscopy. Composed of germanium on aluminium cylinders atop a calcium fluoride substrate, the metasurface achieves 80% transmission efficiency at λ = 2.6 µm with a narrow full‐width‐half‐maximum of 0.4 µm.
Amr Soliman +5 more
wiley +1 more source
A high isolated, high gain millimeter wave quad-port MIMO antenna array for wideband 5G new radio application. [PDF]
Sci RepTiwari P +6 more
europepmc +1 more source
Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.This study reveals the potential to manipulate spin‐valley polarization dynamics in MoSe2/WSe2 heterostructures by quantifying different scattering processes following selective photoexcitation. The results show that these heterostructures enable ultrafast valley‐selective charge transfer, with phonon scattering playing a significant role in the ...
Julian Wagner +9 more
wiley +1 more source
Ultra-wideband optically transparent flexible metamaterial absorber for satellite stealth. [PDF]
Sci RepZhao C, Jia M, Zhang N, Meng S, Tian Y.
europepmc +1 more source
Advanced Optical Materials, Volume 13, Issue 8, March 13, 2025.The tripodal terpyridine‐1,3,5‐benzene tricarboxamide (BTA) ligand 1 is employed in the self‐assembly formation of novel luminescent materials using a range of lanthanide ions. In the polar protic solution, the results from the photophysical measurements are assessed using nonlinear regression analysis, while the functional material properties of the ...
Jason M. Delente +6 more
wiley +1 more source