Quantum bits (qubits) are the fundamental building blocks of quantum information processing. A novel qubit platform invented at the U.S. Department of Energy's (DOE) Argonne National Laboratory exhibits noise levels thousands of times lower than those of most traditional qubits. "Noise" refers to disturbances in the environment that diminish a qubit's performance. The platform was built by trapping single electrons on the surface of frozen neon gas. The recent finding positions Argonne's platform as a strong contender in the field of high-performance quantum technologies.
The new study, jointly led by Argonne and the University of Notre Dame, was published in Nature Electronics. Collaborating institutions included the University of Chicago, Harvard University, Northeastern University and Florida State University (FSU).
"In previous work, we demonstrated the outstanding performance of our electron-on-neon qubit," said Xu Han, an Argonne scientist and co-corresponding author. "By thoroughly characterizing the qubit's noise properties, this latest study shows why its performance is so good. Our results prove that our technology is promising for quantum information processing at larger scales."
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