Results 101 to 110 of about 18,106 (224)

Spectroscopic Ellipsometry of Conducting Anisotropic Pedot thin Films

Macromolecular Rapid Communications, EarlyView.
We measure the optical response of poly[3,4‐ethylenedioxythiophene] thin films through the combination of polarized photon spectroscopies (variable‐angle ellipsometry, UV–mid‐IR reflectance and transmittance) and wide‐angle X‐ray scattering, revealing anisotropic optical response and conductivity and enabling structural modelling of chain and π‐system ...
Francesco Bisio, Katia Sparnacci, Angelo Angelini, Martina Martusciello, Daniela Di Fonzo, Davide Comoretto, Maddalena Patrini   +6 more
wiley   +1 more source

Ultracompact Electroabsorption Modulators Based on Tunable Epsilon-Near-Zero-Slot Waveguides

IEEE Photonics Journal, 2012
We present a promising application of epsilon-near-zero (ENZ) materials in optical modulators. When a thin ENZ film is sandwiched in a single-mode waveguide, an ENZ-slot waveguide is formed, where the absorption can be greatly enhanced.
Zhaolin Lu, Wangshi Zhao, Kaifeng Shi
doaj   +1 more source

Inverse-Designed Silicon Nitride Nanophotonics

Silicon nitride photonics has enabled integration of a variety of components for applications in linear and nonlinear optics, including telecommunications, optical clocks, astrocombs, bio-sensing, and LiDAR. With the advent of inverse design - where desired device performance is specified and closely achieved through iterative, gradient-based ...
Bi, T., Zhang, S., Bostan, E., Liu, D., Paul, A., Ohletz, O., Harder, I., Zhang, Y., Ghosh, A., Alabbadi, A., Kheyri, M., Zeng, T., Lu, J., Yang, K., Del'Haye, P.   +14 more
openaire   +3 more sources

2D Laminated Hybrid Architectures Based on Graphene/Mesoporous Polyaniline for High‐Performance Supercapacitor Electrode

Small, EarlyView.
We demonstrate a rational and scalable strategy for the construction of 2D hybrid architecture by the liquid‐phase co‐assembly of graphene and polyaniline nanosheets. A high‐shear mixing process enables face‐to‐face stacking, creating a robust interface with strong electronic coupling.
Jiashu Li, Chenchen Zhang, Hongyi Zhang, Liangyu Dong, Bin Han, Leijing Liu, Shaohua Liu, Zhaoyang Liu, Wenjing Tian, Paolo Samorì   +9 more
wiley   +1 more source

Design and Analysis of a Miniature Intensity Modulator Based on a Silicon-Polymer-Metal Hybrid Plasmonic Waveguide

IEEE Photonics Journal, 2014
We propose a miniature optical intensity modulator based on a silicon-polymer-metal hybrid plasmonic waveguide. Benefiting from the high mode confinement of hybrid plasmonic waveguide and the high linear electro-optic effect of polymer material, the ...
Xiaomeng Sun, Linjie Zhou, Haike Zhu, Qianqian Wu, Xinwan Li, Jianping Chen   +5 more
doaj   +1 more source

Wafer‐Scale Deterministic Fabrication of Axis‐Ratio–Engineered Silicon Nanoparticles for On‐Resonance Electric–Magnetic Dipole Interference

Small, EarlyView.
Wafer‐scale top‐down fabrication yields silicon nanoparticles with exceptional uniformity (CV 1.7%–2.4%), enabling deterministic axis‐ratio tuning. At AR ≈$\approx$ 2.1, electric–magnetic dipoles overlap on‐resonance, producing near‐Kerker forward scattering (F/B ≈$\approx$ 12.5).
Taeyeong Kim, Jungchul Lee
wiley   +1 more source

High-Efficiency Metamaterial-Engineered Grating Couplers for Silicon Nitride Photonics

Nanomaterials
Silicon nitride (Si3N4) is an ideal candidate for the development of low-loss photonic integrated circuits. However, efficient light coupling between standard optical fibers and Si3N4 chips remains a significant challenge.
William Fraser, Radovan Korček, Ivan Glesk, Jan Litvik, Jens H. Schmid, Pavel Cheben, Winnie N. Ye, Daniel Benedikovic   +7 more
doaj   +1 more source

Harnessing Interfacial Field Localization in Hexagonal GaP Mie Resonators

Nanophotonics, Volume 15, Issue 9, 13 May 2026.
Сharacterization of Mie modes in self‐assembled GaP nanowires grown by MBE in vertical and horizontal configurations. The hexagonal cross‐section suppresses higher‐order modes while preserving dominant low‐order modes with spectral shifts. Simulations and dark‐field spectroscopy confirm the diameter‐dependent tunability.
Aleksandra A. Kutuzova, Alexey Kuznetsov, Valeriy M. Kondratev, Vladimir V. Fedorov, Ivan S. Mukhin, Aleksandr S. Slavich, Aleksey V. Arsenin, Alexey D. Bolshakov, Mikhail V. Rybin   +8 more
wiley   +1 more source

One‐Step Fabrication of Non‐Ablative Microstructures for Efficient Second Harmonic Generation on LiNbO3 Thin Film

Nanophotonics, Volume 15, Issue 9, 13 May 2026.
This study presents a novel one‐step femtosecond laser modification technique for fabricating high‐quality periodic metasurfaces on lithium niobate thin films without surface damage and scattering centers. Under oblique incidence at 1030 nm, a 4.75‐fold enhancement in second‐harmonic generation efficiency is achieved through complementary mechanisms ...
Feifei Wang, Yuntao Lang, Changji Pan, Yang Lu, Xiaozhe Chen, Rongke Gao, Zhe Peng, Liandong Yu   +7 more
wiley   +1 more source

Selective Dielectric Metasurfaces Based on Directional Conditions of Silicon Nanopillars

Nanomaterials, 2017
Dielectric metasurfaces based on high refractive index materials have been proposed recently. This type of structure has several advantages over their metallic counterparts.
José Francisco Algorri, Braulio García-Cámara, Alexander Cuadrado, José Manuel Sánchez-Pena, Ricardo Vergaz   +4 more
doaj   +1 more source