Scientists say this is the first time a specific type of error-resistant quantum state has been developed using a process compatible with traditional chip manufacturing. (Image credit: Getty Images/KTSDesign/SCIENCEPHOTOLIBRARY)
Researchers have demonstrated that a photonic qubit — a quantum bit powered by light — can detect and correct its own errors at room temperature. They say it is a major step toward creating scalable quantum processors.
In a new study published June 4 in the journal Nature, a team of scientists from Canadian quantum computing startup Xanadu created a so-called Gottesman–Kitaev–Preskill (GKP) state directly on a silicon chip.
GKP states are a type of quantum state that distributes information across multiple photons in a structure that allows small errors to be detected and corrected. This means that each qubit can correct its own errors without having to be combined into large arrays of redundant qubits — a common practice in modern error-correction techniques.
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