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QUANTUM OPTICS

The right platform for the job

Photonic circuits naturally implement boson sampling, a quantum algorithm that is classically hard to solve. Four photon pairs produced and processed within a single silicon chip have now been used to run it, a step towards besting classical computers.

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Fig. 1: Boson sampling and its probabilistic adaptions.

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Correspondence to Robert Keil.

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Keil, R. The right platform for the job. Nat. Phys. 15, 879–880 (2019). https://doi.org/10.1038/s41567-019-0591-8

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