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Optics & Photonics 5 hours ago

Researchers develop world's smallest quantum light detector on a silicon chip

Researchers at the University of Bristol have made an important breakthrough in scaling quantum technology by integrating the world's tiniest quantum light detector onto a silicon chip. The paper, "A Bi-CMOS electronic photonic ...

General Physics May 15, 2024

A new simple scheme for atom interferometry

Atom interferometers are devices that use the wave characteristics of matter to measure the phase between atomic matter waves to separate paths to make high-precision measurements of elements of physics, such as gravitational ...

Optics & Photonics May 15, 2024

Researchers use AI to boost image quality of metalens camera

Researchers have leveraged deep learning techniques to enhance the image quality of a metalens camera. The new approach uses artificial intelligence to turn low-quality images into high-quality ones, which could make these ...

Optics & Photonics May 15, 2024

Physicists demonstrate first metro-area quantum computer network in Boston

It's one thing to dream up a quantum internet that could send hacker-proof information around the world via photons superimposed in different quantum states. It's quite another to physically show it's possible.

Analytical Chemistry May 14, 2024

Scientists develop an affordable sensor for lead contamination

Engineers at MIT, Nanytang Technological University, and several companies have developed a compact and inexpensive technology for detecting and measuring lead concentrations in water, potentially enabling a significant advance ...

Condensed Matter May 14, 2024

Research finds drastic changes in thermal conductivity of diamonds under stress

Diamond is the hardest material found in nature—diamond also has the highest thermal conductivity, allowing the most heat to flow through it rapidly.

Astronomy May 14, 2024

Supernova SN 2023fyq exhibited long-lasting pre-explosion activity, observations show

An international team of astronomers have performed photometric and spectroscopic observations of a Type Ibn supernova, known as SN 2023fyq. Results of the observations campaign, published May 7 on the pre-print server arXiv, ...

General Physics May 13, 2024

Manufacturing optimized designs for high explosives

When materials are subjected to extreme environments, they face the risk of mixing together. This mixing may result in hydrodynamic instabilities, yielding undesirable side effects. Such instabilities present a grand challenge ...

Condensed Matter May 13, 2024

Exceptionally large transverse thermoelectric effect produced by combining thermoelectric and magnetic materials

A NIMS research team has demonstrated for the first time ever that a simple stack of thermoelectric and magnetic material layers can exhibit a substantially larger transverse thermoelectric effect—energy conversion between ...

Condensed Matter May 13, 2024

Spectral evidence found for Dirac spinons in a kagome lattice antiferromagnet

A new study, published in a recent issue of Nature Physics, sheds light on the long-anticipated emergence of quasiparticles, akin to the famous Dirac particles obeying the relativistic Dirac equation. These quasiparticles, ...

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