In an attempt to bring functional quantum computers closer to reality, researchers at Stanford University are developing materials that can trap a single isolated electron.
Working with collaborators around the world, the Stanford team tested three approaches to the problem, one of which can operate at room temperature.
In all three cases the team started with semiconductor crystals, materials with a regular atomic lattice. The researchers slightly altered the lattice to create a structure in which the atomic forces exerted by the material could confine a spinning electron.
One of the new approaches involves using the laser-electron process within a quantum dot to control the input and output of light. In two other experiments, the researchers modified a single crystal to trap light in a color center.
From Stanford News
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