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General Physics Mar 26, 2024

First observation of photons-to-taus in proton–proton collisions

In March 2024, the CMS collaboration announced the observation of two photons creating two tau leptons in proton–proton collisions. It is the first time that this process has been seen in proton–proton collisions, which ...

Optics & Photonics Mar 26, 2024

Pixelated non-volatile programmable photonic integrated circuits proposed by researchers in China

Researchers from Huazhong University of Science and Technology proposed a pixelated programmable photonic integrated circuit (PICs) with record-high 20-level intermediate states of phase change materials (PCMs).

Analytical Chemistry Mar 19, 2024

Molecular orientation is key: Shining new light on electron behavior using 2-photon photoemission spectroscopy

Organic electronics is a field that has garnered significant interest in academic and industrial circles due to its potential applications in OLEDs and organic solar cells, offering advantages such as lightweight design, ...

Optics & Photonics Mar 19, 2024

A method to accurately center quantum dots within photonic chips

Devices that capture the brilliant light from millions of quantum dots, including chip-scale lasers and optical amplifiers, have made the transition from laboratory experiments to commercial products. But newer types of quantum-dot ...

Condensed Matter Mar 14, 2024

Photon-like electrons in a four-dimensional world discovered in a real material

Dirac electrons were predicted by P. Dirac and discovered by A. Geim, both of whom were awarded the Nobel Prize in Physics in 1933 and in 2010, respectively. Dirac electrons behave like photons rather than electrons, for ...

Optics & Photonics Mar 7, 2024

Optically trapped quantum droplets of light can bind together to form macroscopic complexes

Condensed matter systems and photonic technologies are regularly used by researchers to create microscale platforms that can simulate the complex dynamics of many interacting quantum particles in a more accessible setting. ...

Optics & Photonics Feb 28, 2024

A promising leap towards computers with light-speed capabilities

Scientists have created a reprogrammable light-based processor, a world-first, that they say could usher in a new era of quantum computing and communication.

Optics & Photonics Feb 10, 2024

Researchers demonstrate multi-photon state transfer between remote superconducting nodes

Over the past few decades, quantum physicists and engineers have been trying to develop new, reliable quantum communication systems. These systems could ultimately serve as a testbed to evaluate and advance communication ...

Optics & Photonics Feb 6, 2024

Building images photon-by-photon to increase the information content provided by microscopes

The world of laser scanning microscopy is quickly evolving, thanks to the advent of fast and compact detector arrays. These arrays replace the typical single-element detector of traditional confocal laser scanning microscopes, ...

Optics & Photonics Feb 5, 2024

Key innovation in photonic components could transform supercomputing technology

Programmable photonic integrated circuits (PPICs) process light waves for computation, sensing, and signaling in ways that can be programmed to suit diverse requirements. Researchers at Daegu Gyeongbuk Institute of Science ...

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