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Photonic Quantum Computing
Superconducting Qubits
Entanglement distribution over 300 km of fiber
arXiv
Authors: Takahiro Inagaki, Nobuyuki Matsuda, Osamu Tadanaga, Masaki Asobe, Hiroki Takesue
Year
2013
Paper ID
31331
Status
Preprint
Abstract Read
~2 min
Abstract Words
66
Citations
N/A
Abstract
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.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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- We report the distribution of time bin entangled photon pairs over 300 km of optical fiber.
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