News tagged with optical communication

An infallible quantum measurement

Entanglement is a key resource for upcoming quantum computers and simulators. Now, physicists in Innsbruck and Geneva realized a new, reliable method to verify entanglement in the laboratory using a minimal ...

Aug 05, 2013
4.8 / 5 (33) 4 | with audio podcast

A new laser for a faster internet

(Phys.org) —A new laser developed by a research group at Caltech holds the potential to increase by orders of magnitude the rate of data transmission in the optical-fiber network—the backbone of the Internet.

Feb 20, 2014
4.8 / 5 (32) 0

'Spooky action at a distance' aboard the ISS

(Phys.org) —Albert Einstein famously described quantum entanglement as "spooky action at distance"; however, up until now experiments that examine this peculiar aspect of physics have been limited to relatively ...

Apr 09, 2013
4.8 / 5 (28) 22 | with audio podcast

Data highway for quantum information

Researchers at the Vienna University of Technology quantum mechanically couple atoms to glass fiber cables. Now, they have shown that their technique enables storage of quantum information over a sufficiently ...

Jun 12, 2013
5 / 5 (25) 2 | with audio podcast

Team first to detect exciton in metal

University of Pittsburgh researchers have become the first to detect a fundamental particle of light-matter interaction in metals, the exciton. The team will publish its work online June 1 in Nature Physics.

Jun 01, 2014
4.9 / 5 (23) 4

Scientists make quantum breakthrough

(PhysOrg.com) -- Scientists have demonstrated for the first time that atoms can be guided in a laser beam and possess the same properties as light guided in an optical communications fiber.

Apr 20, 2011
4.4 / 5 (22) 13 | with audio podcast