The most precise clocks in the world will lose only one second every 300 billion years—and someday they might fit in your ...

Space telescopes are prominent uses of optical technologies. Launched in 1990, the Hubble Space Telescope is renowned for its ...

In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to ...

Four-wave mixing A weak optical signal (red) from a spacecraft transmitter can be amplified noise-free when it encounters two pump waves (blue and green) in a receiver on Earth. (Courtesy: Chalmers ...

The OSIRIS program aims to develop optical communications technology and systems for the direct downlink from and the direct connection between small satellites – such as those used in earth ...