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Optical physics

A larger quantum alphabet

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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Figure 1: Generation of entangled photons for the multilevel encoding of information.

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Correspondence to Roberto Osellame.

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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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