A research team in China has built a quantum dot device that produces photon pairs with record-setting purity, achieving a two-photon fraction of 0.983(1). The work, published in Nature Materials, ...

Researchers in the US have demonstrated how quantum entanglement could be used to detect optical signals from astronomical ...

Physicists at the University of the Witwatersrand in South Africa, together with colleagues from the Universitat Autònoma de Barcelona, have shown how ...

Researchers have discovered new ways to shape quantum light, creating high-dimensional states that can carry much more ...

A pair of photons enters an optical maze, and sometimes they leave as something new. Not new in the everyday sense, since ...

A single trapped atom has been used to carry out Einstein’s proposed test of the double-slit experiment, a challenge he believed could expose a flaw in quantum mechanics by measuring its recoil The ...

A single trapped atom has now turned Einstein’s long-imagined moving-slit experiment into a physical reality, closing a nearly century-old gap in the debate over quantum mechanics. By carefully ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. This voice experience is generated by AI. Learn more. This ...

Nearly a century ago, a debate began in Brussels between a pair of renowned physicists that has remained at the heart of our modern understanding of quantum mechanics. Now, the famous dispute may ...

There are few technologies more fundamental to modern life than the ability to control light with precision. From fiber-optic communications to quantum sensors, the manipulation of photons underpins ...