In a lab at Osaka University, physicist Yoshiki Nakata and his colleagues fired a pulsed laser through a stack of three ...

Physicists have developed a spectral-filtering technique that strips away unwanted extra photons from quantum light sources, ...

Everything on the electromagnetic spectrum has some properties of both waves and particles, but it’s difficult to imagine a ...

A Scottish startup developing free-space optics completed tests where it used a crystal-based laser to transmit data across ...