Results 71 to 80 of about 270,217 (348)
IEEE Photonics Journal, 2012 The proposed silicon-on-nitride (SON) waveguide exhibits an ultrabroadband (4200 nm), low chromatic dispersion in the mid-infrared (MIR) wavelength region from 2430 to 6630 nm. It has two zero-dispersion wavelengths within the span.
Yang Yue +4 more
doaj +1 more source
IEEE Access, 2022 This paper presents an antenna array organized in sub-arrays and composed of densely spaced dielectric-based radiating elements. To reduce the number of active components required in the array beamforming network, each sub-array consists of a single ...
Ronis Maximidis +3 more
doaj +1 more source
Perfectly Conducting Graphene Electronic Waveguide with Curved Channels [PDF]
, 2017 We theoretically investigate the electronic transport properties of curved graphene waveguides by employing non-equilibrium Green's function techniques. We systematically study the dependence of the confined waveguide modes on the potential difference, the width of waveguide and side barrier.
arxiv +1 more source
Coupled nanopillar waveguides: optical properties and applications [PDF]
Phys. Stat. Sol. A 204 (11), 3647-3661 (2007), 2007 In this paper we review basic properties of coupled periodic and aperiodic nanopillar waveguides. A coupled nanopillar waveguide consists of several rows of periodically or aperiodically placed dielectric rods (pillars). In such a waveguide, light confinement is due to the total internal reflection, while guided modes dispersion is strongly affected by
arxiv +1 more source
Design of waveguides, bends and splitters in photonic crystal slabs with hexagonal holes in a triangular lattice [PDF]
, 2005 Waveguides in photonic crystal slabs (PCS) can be obtained by omitting a row of holes (W1-waveguides). In general the propagation properties in such waveguides suffer from the unavoidable periodic sidewall corrugation caused by the remaining parts of the
Bostan, Cazimir G., Ridder, René M. de
core +3 more sources
Imaging junctions of waveguides
Inverse Problems & Imaging, 2021 In this paper we address the identification of defects by the Linear Sampling Method in half-waveguides which are related to each other by junctions. Firstly a waveguide which is characterized by an abrupt change of properties is considered, secondly the more difficult case of several half-waveguides related to each other by a junction of complex ...
Bourgeois, Laurent +2 more
openaire +5 more sources
Recent Progress on 2D‐Material‐Based Smart Textiles: Materials, Methods, and Multifunctionality
Advanced Engineering Materials, EarlyView.Advancements in 2D‐material‐integrated smart textiles are reviewed, with a focus on materials, fabrication methods, and multifunctional applications, including energy harvesting, monitoring, EMI shielding, energy storage, and thermal management. The discussion addresses key challenges and provides insights into the future development of next‐generation
Yong Choi +5 more
wiley +1 more source
Tunable Plasmonic Band-Pass Filter with Dual Side-Coupled Circular Ring Resonators
Sensors, 2017 A wavelength band-pass filter with asymmetric dual circular ring resonators in a metal-insulator-metal (MIM) structure is proposed and numerically simulated.
Dongdong Liu +5 more
doaj +1 more source
Information rate of a waveguide [PDF]
Physical Review A, 2004 5 pages, 2 figures. Revised version (minor changes)
GIOVANNETTI, VITTORIO +3 more
openaire +3 more sources
Enhanced Terahertz Spectroscopy of a Monolayer Transition Metal Dichalcogenide
Advanced Functional Materials, EarlyView.An ad‐hoc engineered metallic surface is employed to perform enhanced terahertz spectroscopy of a monolayer transition metal dichalcogenide (TMD). Thanks to a local absorption boost of 104, this technique allows for the extraction of the phonon resonance features and effective permittivity of the 2D material, paving the way for the rational design of ...
Xin Jin +11 more
wiley +1 more source