Results 261 to 270 of about 40,022 (295)

Reversible Thermal Tuning of High‐Q Non‐Local Lithium Niobate Metasurfaces

open access: yesLaser &Photonics Reviews, EarlyView.
Introducing a polarization sensor using scattering in a short optical fiber and deep learning. The breakthrough lies in sparse sampling of the scattered light and single‐photon sensitivity. The all‐fiber sensor achieves unprecedented accuracy, speed, resolution, and stability.
Luyao Wang   +12 more
wiley   +1 more source

Enabling highly efficient infrared silicon photodetectors via disordered metasurfaces with upconversion nanoparticles. [PDF]

open access: yesSci Adv
Chen W   +14 more
europepmc   +1 more source

Frozen Differential Scattering in Reconfigurable Complex Media

open access: yesLaser &Photonics Reviews, EarlyView.
A localized perturbation universally results in a rank‐one update of the scattering matrix of any complex medium. The resulting differential output wavefront is “frozen”: its spatial pattern is fixed (agnostic to the input wavefront). Experiments with a programmable‐metasurface‐parametrized wireless link validate frozen differential scattering and ...
Philipp del Hougne
wiley   +1 more source

Dipole‐Quadrupole Model and Multipole Analysis of Resonant Membrane Metasurfaces

open access: yesLaser &Photonics Reviews, EarlyView.
Membrane metasurfaces, arrays of holes in a dielectric membrane, are appealing because they require no substrate and allow access to resonant near‐fields. However, developing a comprehensive theoretical description for them remains challenging. We introduce a semi‐analytical dipole‐quadrupole approach to analyze their resonant spectra at arbitrary ...
Izzatjon Allayarov   +2 more
wiley   +1 more source

Topological Photonic Devices and Circuits at Terahertz Frequencies

open access: yesLaser &Photonics Reviews, EarlyView.
This review examines how 3D topological insulators and emerging topological photonic phases enable robust, low‐loss and defect‐immune terahertz devices. Fundamental properties, device implementations and topological transport mechanisms are surveyed, revealing new opportunities for reconfigurable, high‐performance THz components and scalable ...
Samane Kalhor   +3 more
wiley   +1 more source

Versatile on-chip plasmonic lattices enabled by Kekulé metasurfaces. [PDF]

open access: yesNat Commun
Liu J   +11 more
europepmc   +1 more source

Supplementary document for Independent polarization and phase control in liquid crystal programmable THz metasurfaces - 7651161.pdf

open access: gold
Wang, Sheng   +9 more
openalex   +1 more source

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