Scientists discover way to make quantum states last 10,000 times longer

A team of scientists at the University of Chicago’s Pritzker School of Molecular Engineering announced the discovery of a simple modification that allows quantum systems to stay operational—or “coherent”—10,000 times longer than before. Though the scientists tested their technique on a particular class of quantum systems called solid-state qubits, they think it should be applicable to many other kinds of quantum systems and could thus revolutionize quantum communication, computing and sensing.

The study was published in the journal Science.

This breakthrough lays the groundwork for exciting new avenues of research in quantum science. The broad applicability of this discovery, coupled with a remarkably simple implementation, allows this robust coherence to impact many aspects of quantum engineering. It enables new research opportunities previously thought impractical.

Credit: David Awschalom

Research Paper: Universal coherence protection in a solid-state spin qubit https://science.sciencemag.org/content/early/2020/08/12/science.abc5186

News Source: https://pme.uchicago.edu/news/uchicago-scientists-discover-way-make-quantum-states-last-10000-times-longer

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