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Proceedings Paper

Multiplexed entangled photon-pair sources for all-fiber quantum networks
Author(s): Zhi-Yuan Zhou; Yin-Hai Li; Li-Xin Xu; Bao-Sen Shi; Guang-Can Guo
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Paper Abstract

The ultimate goal of quantum information science is to build a global quantum network, which enables quantum resources to be distributed and shared between remote parties. Such a quantum network can be realized using only fiber elements, thus deriving the advantages of low transmission loss, low cost, scalability, and integrability through mature fiber communication techniques such as dense wavelength division multiplexing. Hence high-quality entangled-photon sources based on fibers are in high demand. Here we report multiplexed polarization- and time-bin-entangled photon-pair sources based on the dispersion-shifted fiber operating at room temperature. The associated high quality of entanglement is characterized using interference, Bell’s inequality, and quantum state tomography. The simultaneous presence of both types of entanglement in multi-channel pairs of a 100-GHz dense wavelength division multiplexing device indicates a great capacity in distributing entangled photons over multiple users. Our design provides a versatile platform and takes a big step toward constructing an all-fiber quantum network.

Paper Details

Date Published: 3 November 2016
PDF: 5 pages
Proc. SPIE 10029, Quantum and Nonlinear Optics IV, 1002904 (3 November 2016); doi: 10.1117/12.2245121
Show Author Affiliations
Zhi-Yuan Zhou, Univ. of Science and Technology of China (China)
Yin-Hai Li, Univ. of Science and Technology of China (China)
Li-Xin Xu, Univ. of Science and Technology of China (China)
Bao-Sen Shi, Univ. of Science and Technology of China (China)
Guang-Can Guo, Univ. of Science and Technology of China (China)


Published in SPIE Proceedings Vol. 10029:
Quantum and Nonlinear Optics IV
Qihuang Gong; Guang-Can Guo; Byoung Seung Ham, Editor(s)

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