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Optics & Photonics Nov 4, 2022

Quantum materials enable next-generation photonics and mobile networks in the terahertz regime

Terahertz light, radiation in the far-infrared part of the emission spectrum, is currently not fully exploited in technology, although it shows great potential for many applications in sensing, homeland security screening, ...

Nanophysics Nov 1, 2022

Quantum dots form ordered material

Quantum dots are clusters of some 1,000 atoms which act as one large "super-atom." It is possible to accurately design the electronic properties of these dots just by changing their size. However, to create functional devices, ...

Optics & Photonics Oct 31, 2022

Topological near fields generated by topological structures

Metamaterials and metaoptics offer a broad dimension to explore exotic functionalities in physics and optics. In a new report now published in Science Advances, Jie Peng and a team of scientists in physics and interdisciplinary ...

Nanomaterials Oct 26, 2022

New class of porous metal nanoparticles will yield new capabilities in absorption, chemical sensing and separations

Researchers from Northwestern University have made a significant advance in the way they produce exotic open-framework superlattices made of hollow metal nanoparticles.

Nanophysics Oct 18, 2022

Scientists have grown custom-shaped nanoparticles

Âé¶¹ÒùÔºicists at Ural Federal University (UrFU) and their colleagues from the Institute of Electrophysics, Ural Branch of the Russian Academy of Sciences, and the Institute of Ion Plasma and Laser Technologies, Academy of Sciences ...

Nanophysics Oct 14, 2022

Creating stronger and more ductile microlattice materials with reduced unit sizes

Projection micro stereolithography (PμSL) has emerged as a powerful three-dimensional (3D) printing technique for manufacturing polymer structures with micron-scale high resolution at high printing speed, which enables the ...

Optics & Photonics Oct 3, 2022

Optical biosensing through a toy microscope over a surface 'rainbow' chip

The global spread of COVID-19 has highlighted the importance of rapid, accurate, and easy sensing of viruses and diseases. Recently, researchers have been exploring on-chip sensing technologies to tackle these emerging challenges. ...

Nanophysics Sep 27, 2022

Team develops a powerful Bragg reflector with ultrahigh refractive index metamaterial

We all look in the mirror at least once a day to see our reflection. Mirrors are used not only in daily life but also in cutting-edge technologies such as semiconductor processing and high-resolution displays. Recently, a ...

Optics & Photonics Sep 13, 2022

Smooth, versatile on-chip light manipulation is now possible with supersymmetry

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. The coordinate transformation often yields extreme material parameters unfeasible even with ...

Optics & Photonics Sep 12, 2022

Spatiotemporal manipulation of femtosecond light pulses for on-chip devices

A new publication from Opto-Electronic Advances discusses spatiotemporal manipulation of femtosecond light pulses for on-chip devices.

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