Articles with "optical switching" as a keyword



Identification and Reversible Optical Switching of NV+ Centers in Diamond

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202500817

Abstract: Positive nitrogen‐vacancy centers (NV+) in diamond are predicted to exist in conjunction with neutral (NV0) and negative (NV−) centers. However, the existence of NV+ has only been indirectly inferred through a shift of the Fermi… read more here.

Keywords: nv0 centers; identification reversible; optical switching; switching centers ... See more keywords

All‐Optical Switching Based on Sub‐Bandgap Photoactivation of Charge Trapping in Metal Halide Perovskites

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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

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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

Hybrid Silicon All‐Optical Switching Devices Integrated with 2D Material

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202402531

Abstract: Hybrid all‐optical switching devices that combine silicon nanocavities and 2D semiconductor materials are proposed and demonstrated. By exploiting the refractive index modulation caused by photo‐induced carriers in the 2D material instead of the silicon substrate,… read more here.

Keywords: switching devices; hybrid silicon; optical switching; devices integrated ... See more keywords

Reversible Optical Switching of Polyoxovanadates and Their Communication via Photoexcited States

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202401595

Abstract: The 2‐bit Lindqvist‐type polyoxometalate (POM) [V6O13((OCH2)3CCH2N3)2]2– with a diamagnetic {V6O19} core and azide termini shows six fully oxidized VV centers in solution as well as the solid state, according to 51V NMR spectroscopy. Under UV… read more here.

Keywords: spectroscopy; optical switching; reversible optical; switching polyoxovanadates ... See more keywords

Quantum Optical Switching Based on Local Single-excitation Resonance

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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
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Recent advances in high-figure-of-merit semiconductor and organic materials for all-optical switching applications

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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

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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

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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

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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
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Emergent Chirality and Nonlinear Optical Switching in a Ferroelastic Molecular Perovskite Solid Solution

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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