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View article: Two-wavelength achromatic diffractive microlens designed by height optimization method fabricated by two-photon nanolithography
Two-wavelength achromatic diffractive microlens designed by height optimization method fabricated by two-photon nanolithography Open
Three-dimensional two-photon nanolithography (3D TPN) enables the mask-free fabrication of arbitrary 3D microstructures, which makes it a powerful tool for creating complex micrometer-scale diffractive optical elements (DOEs) in micro-opti…
View article: Femtosecond laser melting upconversion nanoparticles for sub-micrometer optical patterning
Femtosecond laser melting upconversion nanoparticles for sub-micrometer optical patterning Open
This study introduces a method for precise modulation of upconversion luminescence (UCL) in UCNP thin films via laser-induced melting, enabling high-resolution, sub-micrometer optical patterning. By employing a 460-nm femtosecond (fs) lase…
View article: Two-photon nanolithography of sub-micrometer thickness microlenses designed by NPCC assisted Rayleigh Sommerfeld diffraction integral
Two-photon nanolithography of sub-micrometer thickness microlenses designed by NPCC assisted Rayleigh Sommerfeld diffraction integral Open
Recent development of artificial neural networks (ANNs) and inverse design methods have demonstrated their prospective significance for planar diffractive lens design, with a plethora of optical lenses designed for wavelengths ranging from…
View article: Neuromorphic Optical Data Storage Enabled by Nanophotonics: A Perspective
Neuromorphic Optical Data Storage Enabled by Nanophotonics: A Perspective Open
The development of cloud computing and artificial intelligence technology has increased data storage demands, causing an urgency to progress nanophotonics-enabled optical data storage. Inspiration can be taken from the working principles o…
View article: Ultralow-power nanoscale optical data storage in a nanocomposite based on up-conversion nanoparticles and graphene oxide
Ultralow-power nanoscale optical data storage in a nanocomposite based on up-conversion nanoparticles and graphene oxide Open
As an inevitable outcome of the `information revolution', a huge amount of digital information needs to be stored and continuously accessed over long-term periods. Current data centres are insufficient to tackle this demand and researchers…
View article: Dual-Material Metastructure for Simultaneous Filtering and Focusing of Incoherent White Light
Dual-Material Metastructure for Simultaneous Filtering and Focusing of Incoherent White Light Open
Microlenses integrated with color filters continue to be of great interest for sensors, light-emitting diodes, three-dimensional (3D) imaging, and 3D display applications. Many techniques have been investigated to reduce the thickness and …
View article: Nanophotonics-enabled optical data storage in the age of machine learning
Nanophotonics-enabled optical data storage in the age of machine learning Open
The growing data availability has accelerated the rise of data-driven and data-intensive technologies, such as machine learning, a subclass of artificial intelligence technology. Because the volume of data is expanding rapidly, new and imp…
View article: Nanoscale optical writing through upconversion resonance energy transfer
Nanoscale optical writing through upconversion resonance energy transfer Open
Resonance energy transfer from upconversion nanoparticles induces the reduction in graphene oxide for nanoscale optical writing.