Results 31 to 40 of about 86,732 (329)

Wet Chemical Synthesis and Characterization of Au Coatings on Meso- and Macroporous Si for Molecular Analysis by SERS Spectroscopy

open access: yesCrystals, 2022
Porous silicon (PS) is a promising material for nanostructure fabrication providing a precise control over its size, shape, and spatial distribution.
Siarhei Zavatski   +4 more
doaj   +1 more source

Optically Thin Metallic Films for High-radiative-efficiency Plasmonics [PDF]

open access: yes, 2016
Plasmonics enables deep-subwavelength concentration of light and has become important for fundamental studies as well as real-life applications. Two major existing platforms of plasmonics are metallic nanoparticles and metallic films.
Bo Zhen   +9 more
core   +2 more sources

Waveguide effective plasmonics with structure dispersion

open access: yesNanophotonics, 2021
Plasmonic phenomena on the surface between metal and dielectric have received extensive attention, and have boosted a series of exciting techniques.
Qin Xu   +5 more
doaj   +1 more source

Symphotic Design of an Edge Detector for Autonomous Navigation

open access: yesIEEE Access, 2019
Autonomous navigation systems rely on the collection and processing of large datasets with advanced and memory-intensive algorithms. The requirements in terms of computing power and energy consumption can be significant.
Roberto Zecca   +2 more
doaj   +1 more source

Plasmonics for emerging quantum technologies [PDF]

open access: yes, 2016
Expanding the frontiers of information processing technologies and, in particular, computing with ever increasing speed and capacity has long been recognized an important societal challenge, calling for the development of the next generation of quantum ...
Bozhevolnyi, Sergey I.   +1 more
core   +4 more sources

Generating Information-Diverse Microwave Speckle Patterns Inside a Room at a Single Frequency With a Dynamic Metasurface Aperture

open access: yesIEEE Access, 2020
We demonstrate that dynamic metasurface apertures (DMAs) are capable of generating a multitude of highly uncorrelated speckle patterns in a typical residential environment at a single frequency.
Oren S. Mizrahi   +3 more
doaj   +1 more source

Single-Photon Sources Based on Novel Color Centers in Silicon Carbide P–I–N Diodes: Combining Theory and Experiment

open access: yesNano-Micro Letters, 2021
Highlights Theory of electrically driven single-photon sources based on color centers in silicon carbide p–i–n diodes. New method of determining the electron and hole capture cross sections by an optically active point defect (color center) from the ...
Igor A. Khramtsov, Dmitry Yu. Fedyanin
doaj   +1 more source

Research Progress of Plasmonic Nanostructure-Enhanced Photovoltaic Solar Cells

open access: yesNanomaterials, 2022
Enhancement of the electromagnetic properties of metallic nanostructures constitute an extensive research field related to plasmonics. The latter term is derived from plasmons, which are quanta corresponding to longitudinal waves that are propagating in ...
Adnan Ali   +3 more
doaj   +1 more source

Design and Analysis of a Reconfigurable Holographic Metasurface Aperture for Dynamic Focusing in the Fresnel Zone

open access: yesIEEE Access, 2017
We present numerical simulations of the near-field focusing capabilities of a dynamically reconfigurable holographic metasurface aperture. The aperture consists of a parallel-plate waveguide in which the upper plate is patterned with a number of ...
Okan Yurduseven   +3 more
doaj   +1 more source

Design and Analysis of a W-Band Metasurface-Based Computational Imaging System

open access: yesIEEE Access, 2017
We design and numerically analyze a coherent computational imaging system that utilizes a sparse detector array of planar, frequency-diverse, metasurface antennas designed to operate over the W-band frequency range (75-110 GHz).
Tomas Zvolensky   +3 more
doaj   +1 more source

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