Quantum objects that can hold more information than quantum bits have been generated and manipulated in an integrated photonic platform, paving the way for advanced protocols in quantum information processing. See Letter p.622
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Osellame, R. A larger quantum alphabet. Nature 546, 602–603 (2017). https://doi.org/10.1038/546602a
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DOI: https://doi.org/10.1038/546602a