Quantum Campus shares the latest in quantum science and technology. Read by more than 2,000 researchers, we publish on Fridays and are always looking for news from across the country. Want to see your work featured? Submit your ideas to the editor.

Sandia National Labs and Quantinuum shared performance data on Quantinuum’s Helios processor. Helios is a 98-qubit trapped-ion system that includes all-to-all connectivity via a rotatable ion storage ring connecting two quantum operation regions by a junction.

The study and certification by Sandia showed 99.9975 percent fidelity on one-qubit operations and 99.921 percent fidelity on two-qubit operations.

The performance was discussed last year in a pre-print before this week’s peer-reviewed paper in Nature. Duke’s Crystal Noel published a commentary article on the findings, which was also published in nature. Quantinuum’s stock began trading on the NASDAQ early this month with a valuation of $17.63 billion at the close of its first day.

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Researchers at EeroQ demonstrated strong coupling between a microwave photon and the quantized motional state of a single electron on helium using a quantum dot and superconducting resonator. CEO Nick Farina described it as “a contender in the qubit race.”

“For over 25 years, electrons on helium have been identified as a uniquely promising qubit platform, but until now, no one had demonstrated the ability to couple to an actual electron qubit state in this system,” he told Crain’s Chicago Business. “It opens the door to an even more powerful qubit, based on the electron’s spin magnetism that we believe will outperform anything available today.”

This work was published in Nature Physics on Monday.

Anne Neuberger, Deputy National Security Adviser from 2021 to 2025, published an essay in Foreign Affairs on the “coming quantum national security crisis.” She focused on the potential for Russia and China to harvest sensitive U.S. data now and decrypt later, also discussing the potential military applications of quantum sensing.

“With the U.S.-Chinese rivalry moving beyond the realm of pure research to include multibillion-dollar investments in specialized hardware, competing technology blocs are also emerging,” she wrote. “The United States, for example, has joined leading quantum allies such as France, Japan, and the United Kingdom to form the 13-nation Quantum Development Group, with the aim of securing global supply chains and protecting national security interests from emerging quantum threats. China, meanwhile, is already collaborating with BRICS countries, most notably Russia, which is home to world-class physical science, math, and cryptography capabilities.”

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