All‐Optical Switching Based on Sub‐Bandgap Photoactivation of Charge Trapping in Metal Halide Perovskites
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Materials"
DOI: 10.1002/adma.202209851
Abstract: Controllable optical properties are crucial for the application of light‐emitting materials in optical devices. In this work, controllable photoluminescence in metal halide perovskite crystals is realized via photoactivation of their defects. It is found that… read more here.
Keywords: metal halide; photoactivation; optical switching; sub bandgap ... See more keywords
MoS2 for Ultrafast All‐Optical Switching and Modulation of THz Fano Metaphotonic Devices
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Optical Materials"
DOI: 10.1002/adom.201700762
Abstract: In recent years, the stunning performance of transition metal dichalcogenides (TMDCs) has been utilized in the area of field effect transistors, integrated circuits, photodetectors, light generation and harvesting, valleytronics, and van der Waals (vdW) heterostructures.… read more here.
Keywords: fano; switching modulation; optical switching; metaphotonic devices ... See more keywords
Quantum Optical Switching Based on Local Single-excitation Resonance
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-020-04530-0
Abstract: We note that the all-optical switching schemes are based on electromagnetically induced transparency. In this paper, we will study the optical switching based on another mechanism, i.e., local single-excitation resonance. The average-photon-number distribution in the… read more here.
Keywords: excitation resonance; optical switching; local single; single excitation ... See more keywords
Recent advances in high-figure-of-merit semiconductor and organic materials for all-optical switching applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05486-6
Abstract: The researchers have made significant progress during the recent years to investigate the nonlinear optical (NLO) response of various materials. The third-order nonlinear optical susceptibility effects are intensity dependent which include the nonlinear refractive index,… read more here.
Keywords: figure merit; usepackage; optical switching; document ... See more keywords
Photochromism of Sm3+-doped perovskite oxide: Ultrahigh-contrast optical switching and erasable optical recording
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2021.117922
Abstract: Abstract Inorganic photochromic materials, exhibiting great potential for optical switcher and erasable optical recording, have attracted more and more attention due to their robust fatigue resistance and excellent stability. However, the optical switching contrast of… read more here.
Keywords: optical recording; sm3 doped; erasable optical; photochromism ... See more keywords
Chirp characterization of SOAs under sub-nanosecond electro-optical switching using heterodyne signal post-processing
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127317
Abstract: Abstract A technique to characterize amplitude distortions and optical carrier frequency variations (chirp) using optical heterodyne reception and data post-processing is presented. Predominantly, dynamic performances of electro-optical switching action based on semiconductor optical amplifiers (SOA)… read more here.
Keywords: optical switching; post processing; soas; electro optical ... See more keywords
Nano-crystalline TiO2 thin film: Synthesis and investigation of its optical switching characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Thin Solid Films"
DOI: 10.1016/j.tsf.2018.03.018
Abstract: Abstract Optical-switching property of nano-crystalline TiO2 thin films of thickness ~ 100 nm synthesized using sol-gel assisted spin coating method on ~ 0.14 mm thick Al substrate were investigated in this work. The structural analysis of TiO2… read more here.
Keywords: tio2; tio2 thin; microscopy; optical switching ... See more keywords
Emergent Chirality and Nonlinear Optical Switching in a Ferroelastic Molecular Perovskite Solid Solution
Sign Up to like & getrecommendations! Published in 2021 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.0c04735
Abstract: Solid solution has long been used in inorganic oxides to modulate structures and physical properties. In contrast, for molecular solid solutions, new and unexpected properties can emerge because of... read more here.
Keywords: chirality nonlinear; nonlinear optical; emergent chirality; optical switching ... See more keywords
Assessment of Front-Substituted Zwitterionic Cyanine Polymethines for All-Optical Switching Applications
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b03471
Abstract: Cyanine dyes in dilute solution have demonstrated the required third-order nonlinear optical properties necessary for all-optical switching (AOS) applications. However, in the solid state, interactions between the cyanine and its counterion typically induce significant geometric… read more here.
Keywords: optical switching; substituted zwitterionic; assessment front; front substituted ... See more keywords
All-Optical Switching on the Nanometer Scale Excited and Probed with Femtosecond Extreme Ultraviolet Pulses.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01060
Abstract: Ultrafast control of magnetization on the nanometer length scale, in particular all-optical switching, is key to putting ultrafast magnetism on the path toward future technological application in data storage technology. However, magnetization manipulation with light… read more here.
Keywords: femtosecond; extreme ultraviolet; switching nanometer; scale ... See more keywords
Sub-20 fs All-Optical Switching in a Single Au-Clad Si Nanodisk.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b03770
Abstract: Dielectric nanoantennas have recently emerged as promising elements for nonlinear and ultrafast nanophotonics due to their ability to concentrate light on the nanometer scale with low losses, while exhibiting large nonlinear susceptibilities. In this work,… read more here.
Keywords: single clad; clad nanodisk; optical switching; sub optical ... See more keywords