Optical Society of America

All That Glitters Is Now Gold

(PhysOrg.com) -- In full sunlight at mid-day, gold objects are brilliant and richly colored. Put those same objects in a dark interior room with only fluorescent lamps, however, and they will look pale and ...

Oct 01, 2009
3.4 / 5 (5) 0

Long distance, top secret messages

When the military needs to send the key to encrypted data across the world, it can't necessarily rely on today's communication lines, where the message could be covertly intercepted. But physicists at the Georgia Institute ...

Oct 19, 2010
4.3 / 5 (4) 0

De-multiplexing to the max: 640 Gbits/second

Sliced light is how we communicate now. Millions of phone calls and cable television shows per second are dispatched through fibers in the form of digital zeros and ones formed by chopping laser pulses into bits. This slicing ...

Feb 02, 2009
5 / 5 (3) 0