Ultrafast electron transfer dynamics in Ag/TiO2 nanocomposite for tailoring of optical nonlinearity
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.148258
Abstract: Abstract The nanocomposite of titanium dioxide (TiO2) with noble metallic nanoparticles (NPs) are widely used catalysis systems for various photonic applications owing to the well-known ultrafast dynamics process, electron transfer. In this work, the traditional… read more here.
Keywords: tio2; electron; electron transfer; optical nonlinearity ... See more keywords
Third-order optical nonlinearity properties of CdCl2-modifed Ge–Sb–S chalcogenide glasses
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Non-crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2019.119757
Abstract: Abstract We developed a new type of chalcohalide glasses with physicochemical and nonlinear optical properties that are tunable by composition. It is found that more than 60 mol.% CdCl2 heavy metal halide can be dissolved into… read more here.
Keywords: order optical; nonlinearity properties; third order; optical nonlinearity ... See more keywords
Magnetically tuned absorptive optical nonlinearity in NiO thin films
Sign Up to like & getrecommendations! Published in 2018 at "Optical Materials"
DOI: 10.1016/j.optmat.2018.08.011
Abstract: Abstract Effect of magnetic field on the absorptive optical nonlinearity in ion beam sputtered as-deposited and annealed NiO thin films have been studied and the magnetic field dependent nonlinear absorption coefficients are obtained. As-deposited NiO… read more here.
Keywords: absorptive optical; thin films; nio thin; magnetic field ... See more keywords
Third-order optical nonlinearity in silicon oxycarbide films
Sign Up to like & getrecommendations! Published in 2020 at "Optical Materials"
DOI: 10.1016/j.optmat.2020.109945
Abstract: Abstract We study the third-order nonlinear optical properties of amorphous silicon oxycarbide (SiOxCy) films prepared by magnetron sputtering at room temperature and annealed in oxygen atmosphere at the temperature ranging from 200 °C to 600 °C. The… read more here.
Keywords: order; third order; order optical; silicon oxycarbide ... See more keywords
Nanoscale Engineering of Optical nonlinearity Based on a Metal Nitride/Oxide Heterostructure.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c18431
Abstract: The abilities to modulate linear and nonlinear optical response of materials in the nanoscale are of central importance in the design and fabrication of photonic devices for applications like optical modulators. Here, based on a… read more here.
Keywords: nanoscale engineering; nonlinearity based; tin; engineering optical ... See more keywords
Sub-wavelength modulation of χ(2) optical nonlinearity in organic thin films
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/ncomms14269
Abstract: Modulating the second-order nonlinear optical susceptibility (χ(2)) of materials at the nanoscale represents an ongoing technological challenge for a variety of integrated frequency conversion and nonlinear nanophotonic applications. Here we exploit the large hyperpolarizability of… read more here.
Keywords: modulation optical; nonlinearity; sub wavelength; wavelength modulation ... See more keywords
Giant modulation of optical nonlinearity by Floquet engineering.
Sign Up to like & getrecommendations! Published in 2021 at "Nature"
DOI: 10.1038/s41586-021-04051-8
Abstract: Strong periodic driving with light offers the potential to coherently manipulate the properties of quantum materials on ultrafast timescales. Recently, strategies have emerged to drastically alter electronic and magnetic properties by optically inducing non-trivial band… read more here.
Keywords: giant modulation; optical nonlinearity; modulation optical; engineering ... See more keywords
Optical nonlinearity engineering of a bismuth telluride saturable absorber and application of a pulsed solid state laser therein.
Sign Up to like & getrecommendations! Published in 2017 at "Nanoscale"
DOI: 10.1039/c7nr06004a
Abstract: Saturable absorbers (SAs) have interesting applications for the realization of pulsed lasers in various wavelengths of fiber and solid-state lasers. Topological insulators (TIs) have been recently discovered to feature saturable absorption due to their unique… read more here.
Keywords: solid state; engineering; laser; optical nonlinearity ... See more keywords
Role of carrier-transfer in the optical nonlinearity of graphene/Bi2Te3 heterojunctions.
Sign Up to like & getrecommendations! Published in 2020 at "Nanoscale"
DOI: 10.1039/d0nr02085k
Abstract: Two-dimensional (2D) topological insulators (TIs) have attracted a lot of attention owing to their striking optical nonlinearity. However, the ultra-low saturable intensity (SI) of TIs resulting from the bulk conduction band limits their applications, such… read more here.
Keywords: graphene bi2te3; carrier transfer; bi2te3; optical nonlinearity ... See more keywords
Effect of sodium addition and thermal annealing on second-order optical nonlinearity in thermally poled amorphous Ta2O5 thin films
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5054857
Abstract: We demonstrate second-order optical nonlinearity (SON) induced in amorphous tantalum pentoxide (Ta2O5) films by thermal poling. The effects of sodium addition and thermal annealing on the efficiency and stability of second harmonic generation (SHG) have… read more here.
Keywords: nonlinearity; second order; ta2o5; thermal annealing ... See more keywords
Synthesis of high quality silver nanowires and their applications in ultrafast photonics.
Sign Up to like & getrecommendations! Published in 2019 at "Optics express"
DOI: 10.1364/oe.27.016440
Abstract: Silver nanowires are widely used in catalysts, surface enhanced Raman scattering, microelectronic equipment, thin film solar cells, microelectrodes and biosensors for their excellent conductivity, heat transfer, low surface resistance, high transparency and good biocompatibility. However,… read more here.
Keywords: synthesis high; optical nonlinearity; silver nanowires; silver ... See more keywords