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Quantum theory predicts that information can be stored and manipulated in a much more powerful way than a classical computer. After 25+ years, it is reasonable to ask, “is it possible to actually build a quantum computer?” Because of recent advances in theory and experiment, I believe it is now time to start a serious focused effort to do so.
Fortunately, people at Google were thinking the same way. In the summer of 2014 Google acquired John Martinis’ lab at the University of California Santa Barbara, to launch Google’s own quantum hardware effort, with a goal to build a useful quantum computer.
I want to explain how this is interesting for Google, and show some experimental results of why superconducting qubit technology is so promising