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Articles by Simone Lamon
Giant phonon-assisted upconversion photoluminescence of in situ photo-carbonized polymer dots for 3D high-definition optical disks
Abstract Recent advancements in high-capacity storage technologies, especially solid-state drives, have made progress by employing multilevel encoding schemes that increase data density. In contrast, optical data storage systems face difficulties in achieving similar multilevel recording due to the limited dynamic range of photo-responsive materials and inherent signal-to-noise challenges.
Ultrabright Upconversion in Thermally Crystallized BaYF 5 :Yb,Er Glass-Ceramics via Dopant Enrichment for Reconfigurable Optical Data Encoding and Logic Operations Click to copy article link Article link copied!
Abstract Click to copy section linkSection link copied! All-optical data encoding provides a route to ultrafast, low-energy photonic memory and computation, yet its implementation is hindered by weak nonlinearities and low emission efficiencies in conventional materials. Upconversion luminescence offers strong nonlinear behavior, but typical hosts suffer from inefficient energy transfer, dilute and randomly distributed dopants, and complex excitation demands.
Topology-driven energy transfer networks for upconversion stimulated emission depletion microscopy - Light: Science & Applications
Abstract Lanthanide-doped upconversion nanoparticles enable upconversion stimulated emission depletion microscopy with high photostability and low-intensity near-infrared continuous-wave lasers. Controlling energy transfer dynamics in these nanoparticles is crucial for super-resolution microscopy with minimal laser intensities and high photon budgets. However, traditional methods neglect the spatial distribution of lanthanide ions and its effect on energy transfer dynamics.
Light field manipulation using micrometer-scale diffractive surfaces fabricated by two-photon nanolithography
The manipulation of light at the micrometer scale has been the core technology for the recent development of diffractive optics, especially for optical displays and diffractive neural networks (NNs). However, the factors that influence the diffraction efficiency of the diffractive surfaces have not been well understood.
All-optical image transportation through a multimode fibre using a miniaturized diffractive neural network on the distal facet - Nature Photonics
Abstract The direct optical transportation of images through multimode fibres (MMFs) is highly sought after in compact photonic systems for MMF-based optical information processing. However, MMFs are highly scattering media, thus degrading information transmitted through them. Existing approaches utilize artificial neural networks or spatial light modulators to reconstruct images scrambled after propagation through the fibre.
Thermo‐Optical Sub‐Micrometer Ultrahigh Luminescence Emission Tuning in Hybrid Organic-Inorganic Upconversion Nanocomposites for Data Storage and Anticounterfeiting - Gu - Advanced Optical Materials - Wiley Online Library
Conflict of Interest The authors declare no conflict of interest. Supporting Information Filename Description adom202402248-sup-0001-SuppMat.docx1.8 MB Supporting Information References 1a) , , , , Nat. Rev. Genet.
Lanthanide ion-doped upconversion nanoparticles for low-energy super-resolution applications - Light: Science & Applications
Abstract Energy-intensive technologies and high-precision research require energy-efficient techniques and materials. Lens-based optical microscopy technology is useful for low-energy applications in the life sciences and other fields of technology, but standard techniques cannot achieve applications at the nanoscale because of light diffraction.
Dual-Material Metastructure for Simultaneous Filtering and Focusing of Incoherent White Light
Download Hi-Res ImageDownload to MS-PowerPointCite This:ACS Photonics 2024, 11, 1 RETURN TO ISSUEPREVArticleNEXT Haoyi Yu Institute of Photonic Chips, University of Shanghai for Science and Technology, Shanghai 200093, China , Zien Yu Institute of Photonic Chips, University of Shanghai for Science and Technology, Shanghai 200093, China Centre for Artificial-Intelligence Nanophotonics, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology,...
Scattering suppression in plasmonic nanostars using pulsed-beam irradiation for super-resolution optical imaging
Abstract In this Letter, we demonstrate the selective excitation and suppression of plasmonic scattering in gold nanostars by using a pulsed laser. We achieve super-resolution optical imaging of gold nanostars with a lateral feature size of 140 nm (λ/4.5) at an inhibition laser beam power of 0.24 mW.
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