New quantum key system combines speed, distance

User rating: 4.1 / 5 after 18 vote(s)

Detection stage of the NIST prototype quantum key distribution system: Photons are up-converted from 1310 to 710 nm by one of the two NIST-designed converters at right then sent to one of two commercial silicon avalanche photo diode units to the left ...
Detection stage of the NIST prototype quantum key distribution system: Photons are "up-converted" from 1310 to 710 nm by one of the two NIST-designed converters at right, then sent to one of two commercial silicon avalanche photo diode units to the left. Credit: NIST

Researchers at NIST have built a prototype high-speed quantum key distribution system, based on a new detector system that achieves dramatically lower noise levels than similar systems.


Full story »
All News summaries from Physics news
All News summaries for June 09, 2007
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive