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Silicon-on-insulator integrated source of polarization-entangled photons

We report the experimental generation of polarization-entangled photons at telecommunication wavelengths using spontaneous four-wave mixing in silicon-on-insulator wire waveguides. The key component is a 2D coupler that transforms path entanglement into polarization entanglement at the output of the device. Using quantum state tomography we find that the produced state has fidelity 88% with a pure non-maximally entangled state. The produced state violates the CHSH Bell inequality by S=2.37\pm0.19.

preprint2013arXivOpen access
Laurent OlislagerJassem SafiouiStéphane ClemmenKien Phan HuyWim BogaertsRoel BaetsPhilippe EmplitSerge Massar
quant-ph
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Open access8 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
Citations: 0Reviews: 0Saves: 0Code: not linkedDataset: not linkedInstitutions: 0

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Laurent OlislagerJassem SafiouiStéphane ClemmenKien Phan HuyWim BogaertsRoel BaetsPhilippe EmplitSerge Massar

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