A device consisting of four transmon qubits, four quantum buses, and four readout resonators fabricated by IBM and published in npj Quantum Information in January 2017.
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2025 Nobel Prize in Physics awarded for macroscale quantum tunneling

(l-r): John Clarke, Michel H. Devoret, and John M. Martinis. Credit: Niklas Elmehed/Nobel Prize Outreach From subatomic to the macroscale Clarke, Devoret, and Martinis were the first to demonstrate that quantum effects, such as quantum tunneling and energy quantization, can operate on macroscopic scales, not just one particle at a time. After earning his PhD...