Quantum roundup: Lots of companies announcing new tech

But Oxford Ionics never made a major announcement that would give us a good excuse to describe its technology in more detail. The company was ultimately acquired by IonQ, a competitor in the trapped-ion space.

Now, IonQ is building on what it gained from Oxford Ionics, announcing a new, record-low error rate for two-qubit gates: greater than 99.99 percent fidelity. That could be critical for the company, as a low error rate for hardware qubits means fewer are needed to get good…