Different qubit architecture could enable easier manufacturing of quantum computer building blocks

Scientists at Brookhaven National Laboratory have demonstrated that a simpler qubit architecture using constriction junctions could perform comparably to current qubits, while being easier to manufacture at scale. This new design replaces the tricky-to-produce insulating layer with a thin superconducting wire. The researchers provided guidelines for selecting materials and designing the junction to achieve the necessary properties for quantum computing. This advancement could help enable large-scale production of quantum computers using standard semiconductor manufacturing techniques.