Hybrid dual-quantum dot/superconducting resonator device
(credit: K. D. Petersson et al./Nature)

How to build a million-qubit quantum computer

December 4, 2012

A team led by Princeton‘s Associate Professor of Physics Jason Petta has developed a new method that could eventually allow engineers to build a working quantum computer consisting of millions of quantum bits (qubits).

Quantum computers take advantage of the strange behaviors of subatomic particles like electrons. By harnessing electrons as they spin, scientists could use the particles to form the basis for a new type of computing.

The problem, though, is that these incredibly tiny electrons are hard to control. So far, scientists have only been able to harness extremely small numbers of them.

“The whole game at this point in quantum computing is trying to build a larger system,” said Andrew Houck, an associate professor of electrical engineering at Princeton who is part of the research team.

Read more: How to build a million-qubit quantum computer | KurzweilAI.

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