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Combining Two Approaches to Advance Quantum Computing

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A circuit diagram of the two approaches combined.

The work also represents a significant advancement to understanding and controlling Andreev levels, microscopic electronic states that exist in all Josephson junctions.

Credit: Yale School of Engineering and Applied Science

Quantum computers hold the potential to out-perform all conventional computing systems. Two promising physical implementations for the storage and manipulation of quantum information are the electromagnetic modes of superconducting circuits and the spins of small numbers of electrons trapped in semiconductor quantum dots.

A team of researchers led by the Yale University lab of Michel Devoret, the Frederick W. Beinecke Professor of Applied Physics, experimentally demonstrated a new quantum bit ("qubit") that fuses these two platforms, with the potential to take on the beneficial aspects of both. The results are published today in Science.

From Yale University
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