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Superconducting circuits

Photons go one way or another

The emission of light from qubits in a superconducting circuit can be controlled in order to choose the direction of the photons’ propagation, which could be used to route information in quantum networks.

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Fig. 1: A giant artificial molecule emitting into a waveguide.

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Correspondence to Simone Gasparinetti.

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Gasparinetti, S. Photons go one way or another. Nat. Phys. (2023). https://doi.org/10.1038/s41567-022-01896-2

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