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
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
Covalent Synthesis of Two Hybrids Composed of Dawson-Type Polyoxometalate and Porphyrin with Remarkable Third-Order Optical Nonlinearities Reflecting the Effect of Polyoxometalates.
Sign Up to like & getrecommendations! Published in 2017 at "Inorganic chemistry"
DOI: 10.1021/acs.inorgchem.6b03155
Abstract: Two new porphyrin-polyoxometalate hybrids, namely, [(C4H9)4N]10H2[{COHNC(CH2O)3P2V3W15O59}2C44N4H28]·CH3CN 1, bearing two covalent-bonded Wells-Dawson-type polyoxometalates (POMs), and [(C4H9)4N)]5H[COHNC(CH2O)3P2V3W15O59{C44H29N4}]·CH3CN 2, bearing one covalent-bonded POM, have been synthesized and thoroughly characterized by means of elemental analysis, powder XRD, FT-IR, 1H… read more here.
Keywords: optical nonlinearities; third order; porphyrin; moiety ... See more keywords
Incorporation of Keplerate-type Mo-O based macroanions into Zn2Al-LDH results in the formation of all-inorganic composite films with remarkable third-order optical nonlinearity.
Sign Up to like & getrecommendations! Published in 2018 at "Dalton transactions"
DOI: 10.1039/c8dt00571k
Abstract: Herein, new all-inorganic transparent composite films with the formula (Zn2Al-LDH/{Mo132-Ac})n have been fabricated by a layer-by-layer method using the exfoliated Zn2Al-LDH monolayer nanosheets and Keplerate-type macroanion {Mo132-Ac}. They were characterized by UV-vis absorption spectroscopy, SEM,… read more here.
Keywords: composite films; third order; order optical; keplerate type ... 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
Third-order optical nonlinearities in bulk and fs-laser inscribed waveguides in strengthened alkali aluminosilcate glass
Sign Up to like & getrecommendations! Published in 2018 at "Laser Physics"
DOI: 10.1088/1555-6611/aa8ac2
Abstract: The development of advanced photonics devices requires materials with large optical nonlinearities, fast response times and high optical transparency, while at the same time allowing for the micro/nano-processing needed for integrated photonics. In this context,… read more here.
Keywords: laser; glass; optical nonlinearities; strengthened alkali ... See more keywords
Second- and third-order optical susceptibilities across excitons states in 2D monolayer transition metal dichalcogenides
Sign Up to like & getrecommendations! Published in 2021 at "2D Materials"
DOI: 10.1088/2053-1583/abeed4
Abstract: Semiconducting transition metal dichalcogenides have significant nonlinear optical effects. In this work we have used second-harmonic generation and the four-wave mixing spectroscopy in resonance with the excitons in MoS2, MoSe2, and WS2 monolayers to characterize… read more here.
Keywords: second third; transition metal; third order; order optical ... See more keywords
Asymmetric Wavelength-Selective Directional Couplers as Fractional-Order Optical Differentiators
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2913758
Abstract: In this paper, the asymmetric wavelength-selective directional coupler (DC) is designed as a fractional-order optical differentiator. It is shown that the order of the optical differentiator is determined by the coupling coefficient and the propagation… read more here.
Keywords: order optical; order; asymmetric wavelength; selective directional ... See more keywords
Evolution Behavior of Mixed Higher Order Optical Vortex–Edge Dislocations Propagating Through Atmospheric Turbulence
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2018.2841426
Abstract: We model the effect of the off-axis distance of edge dislocation on the transmission of mixed higher order optical vortex–edge dislocations in atmospheric turbulence. We find that when mixed dislocations beams propagate through atmospheric turbulence,… read more here.
Keywords: optical vortex; higher order; edge; atmospheric turbulence ... See more keywords
Design of a hybrid chalcogenide-glass on lithium-niobate waveguide structure for high-performance cascaded third- and second-order optical nonlinearities.
Sign Up to like & getrecommendations! Published in 2019 at "Applied optics"
DOI: 10.1364/ao.58.0000d1
Abstract: Dispersion engineering for efficient supercontinuum generation (SCG) is investigated in a hybrid nonlinear photonic platform that allows cascaded third- and second-order optical nonlinearities in transverse-electric (TE) guided modes. The highly nonlinear chalcogenide waveguides enable SCG… read more here.
Keywords: order optical; optical nonlinearities; third second; cascaded third ... See more keywords
Tunable, high-power, high-order optical vortex beam generation in the mid-infrared.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.443345
Abstract: We report the generation of tunable high-order optical vortices in the mid-infrared (mid-IR) using a picosecond optical parametric oscillator (OPO). The OPO is based on MgO:PPLN as the nonlinear gain medium and synchronously pumped by… read more here.
Keywords: order; beam; mid; order optical ... See more keywords