Reversible Thermal Tuning of High‐Q Non‐Local Lithium Niobate Metasurfaces
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]
Chen W +14 more
europepmc +1 more source
Frozen Differential Scattering in Reconfigurable Complex Media
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
Metasurfaces with Phase-Change Materials for Mid-Wave Infrared Thermal Management. [PDF]
Babicheva VE, Kim H, Piqué A.
europepmc +1 more source
Dipole‐Quadrupole Model and Multipole Analysis of Resonant Membrane Metasurfaces
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
Programmable diffractive deep neural networks enabled by integrated rewritable metasurfaces. [PDF]
Zarei S.
europepmc +1 more source
Topological Photonic Devices and Circuits at Terahertz Frequencies
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]
Liu J +11 more
europepmc +1 more source
Polarization-encoded color images for information encryption enabled by HfN refractory plasmonic metasurfaces. [PDF]
Chu YC +5 more
europepmc +1 more source

