Access
This article is part of Nature's premium content.
Published online 8 March 2007 | Nature | doi:10.1038/news070305-12
News
Quantum cryptography goes wireless
Single entangled photons travel 144 km through the air.
A team of European physicists has successfully transmitted a secure quantum 'key' between two of the Canary Islands, opening the possibility of long-distance, wireless quantum cryptography.
The team used a laser to send encoded photons from a telescope on La Palma to a second one on Tenerife, 144 km away.
To read this story in full you will need to login or make a payment (see right).
Comments
Reader comments are usually moderated after posting. If you find something offensive or inappropriate, you can speed this process by clicking 'Report this comment' (or, if that doesn't work for you, email webadmin@nature.com). For more controversial topics, we reserve the right to moderate before comments are published.
There are currently no comments.
