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Physics news
New theory reveals the shape of a single photon
A new theory that explains how light and matter interact at the quantum level has enabled researchers to define for the first time the precise shape of a single photon.
Optics & Photonics
2 hours ago
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213
Team creates world's first tunable-wavelength blue semiconductor laser
In a new study, researchers at Osaka University have created the world's first compact, tunable-wavelength blue semiconductor laser, a significant advancement for far-ultraviolet light technology with promising applications ...
Optics & Photonics
21 hours ago
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47
Adjusting accelerators with help from machine learning
Banks of computer screens stacked two and three high line the walls. The screens are covered with numbers and graphs that are unintelligible to an untrained eye. But they tell a story to the operators staffing the particle ...
General Physics
20 hours ago
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53
The future of optical modulators and integrated photonics
Despite being a mature technology in existence for over several decades, silicon photonic modulators face scrutiny from industry and academic experts. In a recent editorial interview, experts emphasize the need to explore ...
Optics & Photonics
21 hours ago
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0
Long-lived Schrödinger's-cat state achieves Heisenberg-limited sensitivity
A team led by Prof. Lu Zhengtian and Researcher Xia Tian from the University of Science and Technology of China (USTC) realized a Schrödinger-cat state with minute-scale lifetime using optically trapped cold atoms, significantly ...
Optics & Photonics
Nov 18, 2024
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137
Physicists predict exotic form of matter with potential for quantum computing
MIT physicists have shown that it should be possible to create an exotic form of matter that could be manipulated to form the qubit (quantum bit) building blocks of future quantum computers that are even more powerful than ...
Condensed Matter
Nov 18, 2024
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53
A new method for creating a quantum gas
Cooling atomic gases to the quantum regime often involves time-consuming steps. Electromagnetically induced transparency now achieves quantum degeneracy with high efficiency.
Quantum Physics
Nov 18, 2024
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61
Neat, precise and brighter than ever: New technologies improve temporal coherence of XFEL pulses
X-ray free-electron lasers produce pulses of light that are exceptionally bright, making them powerful tools for studying ultrafast chemical reactions, biological processes, or probing the structure of materials at atomic ...
Optics & Photonics
Nov 18, 2024
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1
Invisible touch: Researchers give AI the ability to feel and measure surfaces
AI-based technologies are rapidly learning to see, converse, calculate and create. One thing they still don't do well, however, is measure or "feel" surfaces—a purely mechanical function.
Optics & Photonics
Nov 18, 2024
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5
Physicists create the first fully mechanical qubit
A team of physicists at ETH Zürich has built the first-ever working mechanical qubit. In their paper published in the journal Science, the group describes their novel idea for creating such a qubit and how well it has worked ...
New family of optimized magnetic fields could display enhanced fusion plasma confinement
Physicists have been trying to design fusion reactors, technologies that can generate energy via nuclear fusion processes, for decades. The successful realization of fusion reactors relies on the ability to effectively confine ...
Scientists gain new insights into how mass is distributed in hadrons
Scientists can determine the mass of subatomic particles that are built from quarks by looking at the particles' energy and momentum in four-dimensional spacetime. One of the quantities that encode this information, called ...
General Physics
Nov 15, 2024
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288
Metalenses harness AI for high-resolution, full-color imaging for compact optical systems
Modern imaging systems, such as those used in smartphones, virtual reality (VR), and augmented reality (AR) devices, are constantly evolving to become more compact, efficient, and high-performing. Traditional optical systems ...
Optics & Photonics
Nov 15, 2024
1
74
ATLAS observes top quarks in lead–lead collisions
At a talk held at CERN this week, the ATLAS collaboration at the Large Hadron Collider (LHC) reported observing top quarks in collisions between lead ions, marking the first observation of this process in interactions between ...
General Physics
Nov 15, 2024
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61
Mechanical metamaterial enables long-distance component interaction for unique stretching properties
Metamaterials are artificial materials that do not occur in nature. Their components function like atoms in conventional materials but have special optical, electrical and magnetic properties. Interaction between the components ...
Condensed Matter
Nov 15, 2024
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33
Topological defects can trigger a transformation from insulating to conductive behavior in Mott materials
Researchers at Università Cattolica, Brescia campus, have discovered that the transition from insulating to conductive behavior in certain materials is driven by topological defects in the structure.
Condensed Matter
Nov 15, 2024
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43
Ytterbium thin-disk lasers pave the way for sensitive detection of atmospheric pollutants
Alongside carbon dioxide, methane is a key driver of global warming. To detect and monitor the climate pollutants in the atmosphere precisely, scientists at the Max Planck Institute for the Science of Light (MPL) have developed ...
Optics & Photonics
Nov 15, 2024
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79
Ultrafast lasers enable manipulation of polar order in a charge density wave at room temperature
Addressing the challenge of controlling electronic states in materials, the scientific community has been exploring innovative methods. Recently, researchers from Peking University, led by Professor Nanlin Wang, in collaboration ...
Condensed Matter
Nov 15, 2024
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New route to quantum spin liquid materials discovered
A new route to materials with complex disordered magnetic properties at the quantum level has been produced by scientists for the first time. The material, based on a framework of ruthenium, fulfills the requirements of the ...
Condensed Matter
Nov 15, 2024
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47
Compound metalens achieves distortion-free imaging with wide field of view
In a recent study, researchers have developed a compound metalens that enables distortion-free imaging. The study, published in Engineering, presents a novel approach to on-demand distortion engineering using compound metalenses.
Optics & Photonics
Nov 15, 2024
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1
More news
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Quantum computing researchers develop an 8-photon qubit chip
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Experiment supports existence of a new type of superconductor
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