News Physics

Memories made of light

Physicists find more efficient way to store quantum information

By Alexandra Witze

- More than 2 years ago

Sun-drenched summer vacations may yield pleasant memories, but physicists in Australia have harnessed the power of light to remember something else: quantum information.

LIGHT MEMORY A laser penetrates a crystal containing the rare earth element praseodymium, which retains a memory of quantum information contained within the light.