Photons are particles of light, or waves, or something like that, right? [Mithuna Yoganathan] explains this conundrum in more detail than you probably got in your high school physics class. While ...

The rich history of research involving photons is celebrated in a supplement to this month's Nature Physics. This is the tenth in the series of Milestones supplements, preceded by others on such ...

Two-photon emission (2PE) is a process in which an electron transition between quantum levels occurs through the simultaneous emission of two photons. Two-photon emission is interesting because it ...

I n the world of quantum physics, where the rules of everyday reality seem to bend and twist, researchers have made a ...

Now, a research group in China has shown that many entangled photons can be generated inside ... and covering them is a ...

Observing the interactions between dark matter and so-called "dark photons" during a period after the Big Bang called the "cosmic dawn" could help shed light on the universe's most mysterious and ...