(PhysOrg.com) -- By demonstrating that an artificial atom embedded in a transmission line can route a single photon from an input port to one of two output ports, physicists have built the first router working at the single-photon ...
Institute for Nano Quantum Information Electronics, The University of Tokyo, Fujitsu, and NEC Corp. today announced that they have achieved quantum cryptographic key distribution at a world-record distance of 50 km using ...
General Physics
Sep 10, 2010
0
0
Researchers at the University of Leicester are examining extraterrestrial material from a comet to assess the origins of our Solar System.
Space Exploration
May 28, 2010
0
0
In the 1948 paper that created the field of information theory, MIT grad (and future professor) Claude Shannon threw down the gauntlet to future generations of researchers. In those predigital days, communications channels ...
Computer Sciences
Jan 21, 2010
0
0
It's the early 1980s, and you’re an equipment manufacturer for the fledgling personal-computer market. For years, modems that send data over the telephone lines have been stuck at a maximum rate of 9.6 kilobits per second: ...
Computer Sciences
Jan 19, 2010
5
0
