Results 91 to 100 of about 63,376 (340)

Contact Lens with Moiré Patterns for High‐Precision Eye Tracking

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a passive contact lens for high‐precision eye tracking, integrating a microscopic moiré grating label. The parallax‐induced shift of macroscopic moiré patterns enables angle measurement with 0.28° precision using a standard camera under ambient light.
Ilia M. Fradkin   +11 more
wiley   +1 more source

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

open access: yesAdvanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz   +9 more
wiley   +1 more source

Temperature Dependence of a Sub-wavelength Compact Graphene Plasmon-Slot Modulator

open access: yes, 2017
We investigate a plasmonic electro-optic modulator with an extinction ratio exceeding 1 dB/um by engineering the optical mode to be in-plane with the graphene layer, and show how lowering the operating temperature enables steeper switching.
Amin, Rubab   +4 more
core   +1 more source

Fourier imaging for nanophotonics

open access: yesNanophotonics
Standard optical characterization and spectroscopy techniques rely on the measurement of specular reflection, transmission, or emission at normal incidence.
S. Cueff, L. Berguiga, H. Nguyen
semanticscholar   +1 more source

Electron-beam spectroscopy for nanophotonics [PDF]

open access: yesNature Materials, 2019
Progress in electron-beam spectroscopies has recently enabled the study of optical excitations with combined space, energy and time resolution in the nanometre, millielectronvolt and femtosecond domain, thus providing unique access into nanophotonic ...
A. Polman   +2 more
semanticscholar   +1 more source

Known-Plaintext Attack and Ciphertext-Only Attack for Encrypted Single-Pixel Imaging

open access: yesIEEE Access, 2019
In many previous works, a single-pixel imaging (SPI) system has been constructed as an optical image encryption system. Unauthorized users are not able to reconstruct the plaintext image from the ciphertext intensity sequence without knowing the ...
Shuming Jiao   +4 more
doaj   +1 more source

In3SbTe2 as a programmable nanophotonics material platform for the infrared

open access: yesNature Communications, 2021
The high dielectric optical contrast between the amorphous and crystalline structural phases of non-volatile phase-change materials (PCMs) provides a promising route towards tuneable nanophotonic devices. Here, we employ the next-generation PCM In3SbTe2 (
A. Hessler   +12 more
semanticscholar   +1 more source

Thermal Processing Creates Water‐Stable PEDOT:PSS Films for Bioelectronics

open access: yesAdvanced Materials, Volume 37, Issue 13, April 2, 2025.
Instead of using chemical cross–linkers, it is shown that PEDOT:PSS thin films for bioelectronics become water‐stable after a simple heat treatment. The heat treatment is compatible with a range of rigid and elastomeric substrates and films are stable in vivo for >20 days.
Siddharth Doshi   +16 more
wiley   +1 more source

Casimir Light in Dispersive Nanophotonics [PDF]

open access: green, 2021
Jamison Sloan   +3 more
openalex   +1 more source

Intelligent nanophotonics: merging photonics and artificial intelligence at the nanoscale [PDF]

open access: yesNanophotonics, 2018
Nanophotonics has been an active research field over the past two decades, triggered by the rising interests in exploring new physics and technologies with light at the nanoscale.
Kan Yao, Rohit Unni, Yuebing Zheng
semanticscholar   +1 more source

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