Optical switch based on nonlinear one dimensional photonic band gap material
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.07.062
Abstract: Abstract In this paper we proposed an optical switch based on nonlinear one dimensional photonic band gap material. Polystyrene and SiO 2 have been chosen as constituent materials for the proposed optical switch. Propagation of… read more here.
Keywords: based nonlinear; gap material; band gap; photonic band ... See more keywords
Photonic band structure in square and triangular lattices of cylindrical-shell rods
Sign Up to like & getrecommendations! Published in 2019 at "Optik"
DOI: 10.1016/j.ijleo.2018.12.127
Abstract: Abstract The photonic band structure for transverse electric and transverse magnetic polarization is calculated in a two-dimensional photonic crystal with square and triangular lattices. The crystal comprises cylindrical-shell rods, wherein air rods of circular cross-section… read more here.
Keywords: square triangular; photonic band; band; shell rods ... See more keywords
Characterization of photonic band resonators for DNP NMR of thin film samples at 7 T magnetic field.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of magnetic resonance"
DOI: 10.1016/j.jmr.2020.106893
Abstract: Polarization of nuclear spins via Dynamic Nuclear Polarization (DNP) relies on generating sufficiently high mm-wave B1e fields over the sample, which could be achieved by developing suitable resonance structures. Recently, we have introduced one-dimensional photonic… read more here.
Keywords: dielectric layers; photonic band; resonators dnp; characterization photonic ... See more keywords
Tunable narrowband optical filters using superconductor/dielectric generalized Thue-Morse photonic crystals
Sign Up to like & getrecommendations! Published in 2019 at "Microelectronic Engineering"
DOI: 10.1016/j.mee.2019.04.016
Abstract: Abstract A narrowband tunable transmission optical filters according to hybrid dielectric/ superconductor quasi-photonic structures are designed using the transfer-matrix method (TMM) and The two-fluid model. The structure layers are arranged using Generalized Thue-Morse (GTM) sequence… read more here.
Keywords: optical filters; photonic band; superconductor; morse ... See more keywords
Effect of windmill-like-shaped defect on TM photonic band gaps of two-dimensional square-lattice photonic crystals
Sign Up to like & getrecommendations! Published in 2020 at "Results in physics"
DOI: 10.1016/j.rinp.2019.102879
Abstract: Abstract A novel windmill-like-shaped defect was introduced in two-dimensional square-lattice photonic crystals consisting of circular dielectric rods. The photonic band gap (PBG) and defect modes were numerically analyzed using the plane wave expansion method. We… read more here.
Keywords: band gap; photonic band; band; defect ... See more keywords
One dimensional graphene based photonic crystals: Graphene stacks with sequentially-modulated doping for photonic band gap tailoring
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.09.012
Abstract: Abstract In a periodic arrangement of equally-doped graphene monolayers the electromagnetic wave propagation is described by band theory. We have found that the photonic response of this system enriches when the doping level is sequentially-modulated… read more here.
Keywords: band gap; photonic band; graphene; band ... See more keywords
Complete Photonic Band Gaps with Nonfrustrated ABC Bottlebrush Block Polymers
Sign Up to like & getrecommendations! Published in 2020 at "ACS Macro Letters"
DOI: 10.1021/acsmacrolett.0c00380
Abstract: Bottlebrush block polymers are a promising platform for self-assembled photonic materials, yet most work has been limited to one-dimensional photonic crystals based on the lamellar phase. Here we d... read more here.
Keywords: bottlebrush block; complete photonic; photonic band; block polymers ... See more keywords
Using Transmissive Photonic Band Edge Shift to Detect Explosives: A Study with 2,4,6-Trinitrotoluene (TNT)
Sign Up to like & getrecommendations! Published in 2017 at "ACS Photonics"
DOI: 10.1021/acsphotonics.6b00880
Abstract: Photonic crystals (PhCs) possess outstanding optical properties that can be exploited for chemical sensing. We utilized a three-dimensional close-packed PhC structure made of functionalized silica nanoparticles. They consist of alternating high and low refractive index… read more here.
Keywords: photonic band; band; band edge; edge shift ... See more keywords
Visualization of photonic band structures via far-field measurements in SiNx photonic crystal slabs
Sign Up to like & getrecommendations! Published in 2023 at "Applied Physics Letters"
DOI: 10.1063/5.0149529
Abstract: Band structures of the photonic crystal slabs play a significant role in manipulating the flow of light and predicting exotic physics in photonics. In this Letter, we show that the key features of photonic band… read more here.
Keywords: band; photonic crystal; band structures; photonic band ... See more keywords
Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal
Sign Up to like & getrecommendations! Published in 2019 at "Liquid Crystals"
DOI: 10.1080/02678292.2019.1613694
Abstract: ABSTRACT We study the optical properties of a cholesteric liquid crystal doped with a fluorescent dye in the regime of highly distorted helix without full helix unwinding. The distortion was achieved by applying a pulsed… read more here.
Keywords: photonic band; field; electric field; order photonic ... See more keywords
Investigation of TE-polarized photonic band gap properties in matallodielectric photonic crystals composed of metal coated dielectric cylinders
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2017.1380855
Abstract: Using the Dirichlet-to-Neumann map method and generalization of this method, we have been able to calculate the photonic band structure of two-dimensional (2D) metallodielectric photonic crystals composed of metal-coated circular dielectric rods. The rods are… read more here.
Keywords: crystals composed; metal coated; composed metal; photonic band ... See more keywords