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Google’s First Quantum Computer Will Build on D-Wave’s Approach

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Google has hired an academic team of researchers to help build the first Google quantum computer based on the specialized D-Wave approach rather than on a universal gate-model blueprint.

John Martinis, a professor of physics at the University of California, Santa Barbara was hired by Google to do this work. Martinis has led an academic team in developing error correction techniques that can stabilize the quantum bits—called qubits—used by quantum computers to perform many simultaneous calculations by representing both 0 and 1 states at the same time. Many news outlets, including IEEE Spectrum, had initially assumed that Google’s hiring of the Martinis team signaled the technology giant’s intent to develop universal quantum computing hardware as an alternative to D-Wave’s specialized quantum annealing machines.

>”We’re taking the approach that if we have longer coherence times, maybe the quantum annealer would work better,” Martinis says. “We know how to make coherent qubits and scale them up.”

Google’s new plan represents a complementary, slow-but-steady approach to building a quantum annealer that could potentially deliver better performance in the long run.


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“Google’s First Quantum Computer Will Build on D-Wave’s Approach”