Results 21 to 30 of about 22,679 (265)

Group III-V semiconductors as promising nonlinear integrated photonic platforms

open access: yesAdvances in Physics: X, 2022
Group III–V semiconductors are based on the elements of groups III and V of the periodic table. The possibility to grow thin-films made of binary, ternary, and quaternary III–V alloys with different fractions of their constituent elements allows for the ...
Kaustubh Vyas   +8 more
doaj   +1 more source

Electrically regulating nonlinear optical limiting of metal-organic framework film

open access: yesNature Communications, 2022
Nonlinear optical properties of metal-organic framework can be tuned for potential optical applications. Here the authors demonstrate an enhancement the nonlinear absorption coefficient of MOF film by applying external electric field.
Zhi-Zhou Ma   +4 more
doaj   +1 more source

Metamaterials with Tailorable Nonlinear Optical Properties

open access: yesOptics and Photonics News, 2012
Second-order nonlinear processes such as second-harmonic generation (SHG) require noncentrosymmetric structures. The development of second-order metamaterials, however, has been hampered by symmetry breaking due to sample defects and shape distortions.
Czaplicki, Robert   +9 more
openaire   +1 more source

Optical characterizations of two-dimensional materials using nonlinear optical microscopies of CARS, TPEF, and SHG

open access: yesNanophotonics, 2018
In this paper, we employ the nonlinear optical microscopies of coherent anti-Stokes Raman scattering spectroscopy, two-photon excitation fluorescence, and second harmonic generation to characterize the properties of two-dimensional (2D) materials.
Li Rui   +5 more
doaj   +1 more source

Ultrafast charge transfer enhanced nonlinear optical properties of CH3NH3PbBr3 perovskite quantum dots grown from graphene

open access: yesNanophotonics, 2022
Halide perovskite quantum dots (PQDs) have exhibited significantly superior nonlinear optical properties compared to traditional semiconductor materials thanks to their peculiar physical and electronic structures.
Yuan Ye   +5 more
doaj   +1 more source

Nonlinear optics in carbon nanotube, graphene, and related 2D materials

open access: yesAPL Photonics, 2019
One- and two-dimensional forms of carbon, carbon nanotube, and graphene, and related 2D materials, have attracted great attention of researchers in many fields for their interesting and useful electrical, optical, chemical, and ...
Shinji Yamashita
doaj   +1 more source

Comparative Study of Nano-Slot Silicon Waveguides Covered by Dye Doped and Undoped Polymer Cladding

open access: yesApplied Sciences, 2018
Nonlinear optical dyes doped in optical polymer matrices are widely used for electro-optical devices. Linear optical properties change with dye concentration, which leads to a change in modal properties, especially in nano-structured integrated ...
Siegfried Bondarenko   +2 more
doaj   +1 more source

Optical Properties of the Fresnoite Ba2TiSi2O8 Single Crystal

open access: yesCrystals, 2017
In this work, using large-sized single crystals of high optical quality, the optical properties of Ba2TiSi2O8 were systematically investigated, including transmission spectra, refractive indices and nonlinear absorption properties. The crystal exhibits a
Chuanying Shen   +4 more
doaj   +1 more source

Directed evolution of enzymes at the crossroads of tradition and innovation

open access: yesFEBS Open Bio, EarlyView.
An iterative cycle of data‐driven enzyme optimization comprising four stages: genetic diversification of a template enzyme, expression of protein variants, high‐throughput evaluation, and machine‐learning‐guided redesign of the next variant library.
Maria Tomkova   +2 more
wiley   +1 more source

Nonlinear optical characterisation of organic chromophores and aspects of molecular aggregation [PDF]

open access: yes, 2001
The work presented in this thesis describes an investigation into the properties and behaviour of a new class of nonlinear optical organic chromophores.
Hackman, Nancy-Ann
core  

Home - About - Disclaimer - Privacy