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Entanglement distribution over 300 km of fiber

We report the distribution of time bin entangled photon pairs over 300 km of optical fiber. We realized this by using a high speed and high signal to noise ratio entanglement generation and evaluation setup that consists of periodically poled lithium niobate waveguides and superconducting single photon detectors. The observed two-photon interference fringes exhibited a visibility of 84 %. We confirmed the violation of Bell's inequality by 2.9 standard deviations.

preprint2013arXivOpen access
Takahiro InagakiNobuyuki MatsudaOsamu TadanagaMasaki AsobeHiroki Takesue
quant-ph
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Open access5 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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Takahiro InagakiNobuyuki MatsudaOsamu TadanagaMasaki AsobeHiroki Takesue

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