Results 21 to 30 of about 1,054,851 (293)

Simulation of Amorphous Silicon Carbide Photonic Crystal Absorption Layer for Solar Cells

open access: yesCrystals, 2022
In this work, the amorphous silicon carbide (a-SiC) with low cost and high extinction coefficient was used as the light absorption layer of solar cells, and the photonic crystal (PC) structure and defect structure were introduced.
Lin Zhou   +4 more
doaj   +1 more source

Refractive index sensing of gases based on a one-dimensional photonic crystal nanocavity [PDF]

open access: yesJournal of Sensors and Sensor Systems, 2015
Silicon photonic crystal sensors have become very attractive for various optical sensing applications. Using silicon as a material platform provides the ability to fabricate sensors with other photonic devices on a single chip.
M. Mohebbi
doaj   +1 more source

Research and Application Progress of Inverse Opal Photonic Crystals in Photocatalysis

open access: yesInorganics, 2023
In order to solve the problem of low photocatalytic efficiency in photocatalytic products, researchers proposed a method to use inverse opal photonic crystal structure in photocatalytic materials.
Hongming Xiang   +4 more
doaj   +1 more source

Highly efficient coupling between a monolithically integrated photonic crystal cavity and a bus waveguide [PDF]

open access: yes, 2012
We experimentally demonstrate a new optical filter design comprising of a photonic crystal cavity and a low index bus waveguide which are monolithically integrated on a silicon-on-insulator (SOI) platform.
Ferrera, Marcello   +13 more
core   +1 more source

All-fiber lasers through photonic crystal fibers

open access: yesNanophotonics, 2013
A review on all-fiber lasers based on photonic crystal fibers is presented. Photonic crystal fibers present improved features beyond what conventional optical fibers can offer.
Pinto Ana M.R., Lopez-Amo Manuel
doaj   +1 more source

Synthesis and properties of SiO2 photonic crystals modified by DNA

open access: yesБіофізичний вісник, 2020
Background: Photonic crystals are structures characterized by periodic modulations of the refractive index with a period commensurate with the wavelength.
M. Olenchuk   +4 more
doaj   +1 more source

Planar Photonic Crystal Nanocavities with Active Quantum Nanostructures [PDF]

open access: yes, 2004
Extreme photon localization is applicable to constructing building blocks in photonic systems and quantum information systems. A finding fact that photon localization in small space modifies the radiation process was reported in 1944 by Purcell, and ...
Yoshie, Tomoyuki
core   +1 more source

Propagation loss in slow light photonic crystal waveguides [PDF]

open access: yes, 2012
The field of nanophotonics is a major research topic, as it offers potential solutions to important challenges, such as the creation of low power, high bandwidth interconnects or optical sensors.
Schulz, Sebastian Andreas
core   +2 more sources

Photonic crystal fibre characterisation with the method of lines

open access: yesJournal of Telecommunications and Information Technology, 2004
Photonic crystal fibres are longitudinally uniform fibres in which in lateral directions periodic refractive index changes occur. Two basically different light guiding mechanisms occur in crystal fibres: index guiding and bandgap guiding.
Igor A. Goncharenko, Marian Marciniak
doaj   +1 more source

Numerical simulation of a novel bilayer photonic crystal slab biosensor with hexagonal lattice

open access: yesResults in Physics, 2019
A new type of silicon-based bilayer photonic crystal slab biosensor is proposed based on the theoretical investigation of various parameters of two-dimensional photonic crystal slab on the peak wavelength and characteristics of the reflection spectrum ...
Daohan Ge   +4 more
doaj   +1 more source

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