Chalmers researchers in Sweden, in an EU project involving colleagues from France, Holland, Germany, Italy and Finland, have shown that outdata from superconductor quantum computers can be read directly, even though the signal consists only of the presence or absence of two electrons, a so-called Cooper pair.
How far away are we from a functional quantum computer? Research results on quantum computers are beginning to appear. Göran Johansson at the Department of Microelectronics and Nanoscience reports that the Chalmers research team he is a member of has been able to produce readouts of superconductor quantum computers. The key to success lies in being able to meter tiny charges before they move on.
Different research teams are studying different problems involving quantum computers. Research is pursuing many paths at the same time. “But even very simple quantum computers are still at least ten years down the road,” says Göran.
Jorun Fahle | alphagalileo
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