Xanadu Generates Photonic GKP Qubit on Integrated Chip Using Silicon Nitride Platform

Xanadu has reported the generation of a Gottesman–Kitaev–Preskill (GKP) qubit using a fully integrated photonic chip fabricated on a silicon nitride platform. The result, published in Nature, demonstrates that GKP states—long considered a critical ingredient for error-corrected bosonic quantum architectures—can be created using silicon nitride photonic circuits fabricated on 300 mm wafers. The chip integrates […]

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