Research Article

Multidimensional quantum entanglement with large-scale integrated optics

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Science  20 Apr 2018:
Vol. 360, Issue 6386, pp. 285-291
DOI: 10.1126/science.aar7053

Large-scale integrated quantum optics

The ability to pattern optical circuits on-chip, along with coupling in single and entangled photon sources, provides the basis for an integrated quantum optics platform. Wang et al. demonstrate how they can expand on that platform to fabricate very large quantum optical circuitry. They integrated more than 550 quantum optical components and 16 photon sources on a state-of-the-art single silicon chip, enabling universal generation, control, and analysis of multidimensional entanglement. The results illustrate the power of an integrated quantum optics approach for developing quantum technologies.

Science, this issue p. 285

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