Optical Society of America

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 | with audio podcast

Enhancing solar cells with nanoparticles

Deriving plentiful electricity from sunlight at a modest cost is a challenge with immense implications for energy, technology, and climate policy. A paper in a special energy issue of Optics Express, the Optical Society's (OSA) ...

Dec 23, 2008 4.8 / 5 (10) 6

When disaster strikes: Safeguarding networks

Disasters both natural and human-caused can damage or destroy data and communications networks. Several presentations at the 2014 OFC Conference and Exposition, being held March 9-13 in San Francisco, Calif., ...

Mar 05, 2014 4.5 / 5 (2) 0

Laser Fusion and Exawatt Lasers

(PhysOrg.com) -- In the recent past, producing lasers with terawatt (a trillion watts) beams was impressive. Now petawatt (a thousand trillion watts, or 10^15 watts) lasers are the forefront of laser research. Some labs are ...

Oct 01, 2009 4 / 5 (17) 10

Diamonds are a laser's best friend

(PhysOrg.com) -- Tomorrow's lasers may come with a bit of bling, thanks to a new technology that uses man-made diamonds to enhance the power and capabilities of lasers. Researchers in Australia have now demonstrated the first ...

Sep 18, 2009 4.4 / 5 (10) 1

World's first microlaser emitting in 3-D

Versatile electronic gadgets should employ a number of important criteria: small in size, quick in operation, inexpensive to fabricate, and deliver high precision output. A new microlaser, developed at the Jožef Stefan ...

Dec 08, 2010 4.7 / 5 (11) 4 | with audio podcast