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, ...

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

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