Search results for etching

Quantum Physics Jan 12, 2023

A new qubit approach for more stable states for quantum computers

Quantum computers can more rapidly process large amounts of data, because they carry out many computation steps in parallel. The information carrier of the quantum computer is a qubit. Qubits do not only possess the information ...

Optics & Photonics Jan 5, 2023

Active terahertz beam steering based on mechanical deformation of a liquid crystal elastomer metasurface

Traditionally, active metasurface research has primarily focused on changing the dielectric constant and permeability of the substrate, which frequently results in resonance effect and ohmic loss. However, a reconfigurable ...

Optics & Photonics Jan 4, 2023

Innovation strengthens electron-triggered light emissions for quantum-based computational and communications systems

The way electrons interact with photons of light is a vital part of many modern technologies, from lasers to solar panels to LEDs. But the interaction is inherently weak because of a major mismatch in scale: the wavelength ...

Quantum Physics Dec 22, 2022

Researchers discuss recent quantum computer wormhole model

A recent Nature publication continues to generate headlines over its findings that scientists from the California Institute of Technology developed a model of a traversable wormhole on the Google Sycamore quantum processing ...

Optics & Photonics Dec 12, 2022

Laser islands: Researcher shows how to fully integrate VCSELs on silicon

How does your phone know it's you when you use facial recognition to unlock it? An array of tiny lasers light up your face, and your phone uses the reflection to construct a 3D model—not unlike a topographical map of your ...

Analytical Chemistry Dec 7, 2022

A Janus carbon electrocatalyst can balance intrinsic activity and electronic conductivity

Carbon-based electrocatalysts are considered as promising alternatives to the state-of-the-art precious metal catalysts. Heteroatom doping can effectively create highly active catalytic centers, but unfortunately, result ...

Optics & Photonics Dec 6, 2022

Multifunctional terahertz transparency of thermally oxidized vanadium metasurface over insulator metal transition

A research team, led by the Nano Optics Group within the Department of Physics at UNIST has reported achieving all-vanadium dioxide (VO2) multifunctional metasurfaces, which perform as a transparent window in the broadband ...

Polymers Nov 30, 2022

Novel mix-charged nanofiltration membrane developed for wastewater treatment

A research group led by Prof. Wan Yinhua from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences has developed a novel "etching-swelling-planting" strategy following interfacial polymerization (IP) ...

Polymers Nov 22, 2022

Researchers use low-cost 3D printer to develop new method for creating microspheres

Researchers use powerful microchannel droplet generation equipment to create uniform polymer microsphere materials, which have high economic values. These microspheres are spherical microparticles that can be used in many ...

Optics & Photonics Nov 10, 2022

A new way of fabricating high-efficiency diffraction gratings for astronomical spectroscopy

Today, astronomers seek to observe the faintest and most distant objects possible. Extremely Large Telescopes (ELTs), with apertures in the order of several dozen meters, are the next generation facilities to do so. However, ...

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