Latest in Controlling light

Image credit:

Researchers use magnetic fields to manipulate light

Darren Murph
June 14, 2007
Share
Tweet
Share

Sponsored Links

We've seen magnetics used in everything from closet improvements to insomnia treatments, but researchers at the University of Alberta and the United States Naval Research Laboratory have found that "by manipulating electron spin using magnetic fields, they can turn off and on light that's being guided through metals." By looking deeper into the fields of plasmonics and spintronics, the gurus have discovered that this on-off light switch could be used for tasks such as routing infrared light in optical communications or processing radio signals in cell phones. Additionally, this system could potentially decrease power requirements for the devices it invades, and while a finalized product isn't quite ready, the team is already anxious to "build devices that can act as switches in a chip."

All products recommended by Engadget are selected by our editorial team, independent of our parent company. Some of our stories include affiliate links. If you buy something through one of these links, we may earn an affiliate commission.
Share
Tweet
Share

Popular on Engadget

The 2020 Engadget Holiday Gift Guide

The 2020 Engadget Holiday Gift Guide

View
Scientists find neutrinos from star fusion for the first time

Scientists find neutrinos from star fusion for the first time

View
The best Black Friday tech deals that are already available

The best Black Friday tech deals that are already available

View
Apple's Intel-powered MacBook Air falls to $799 ahead of Black Friday

Apple's Intel-powered MacBook Air falls to $799 ahead of Black Friday

View
Apple's entry-level iPad returns to $299 for Black Friday

Apple's entry-level iPad returns to $299 for Black Friday

View

From around the web

Page 1Page 1ear iconeye iconFill 23text filevr