期刊
OPTICS LETTERS
卷 43, 期 15, 页码 3469-3472出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.43.003469
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资金
- Australian Research Council (ARC) [CE110001018, DE1201100226, FL120100029]
- Huawei Technologies
- Indonesia Endowment Fund for Education (LPDP)
Time-bin entangled photons allow robust entanglement distribution over quantum networks. Integrated photonic circuits positioned at the nodes of a quantum network can perform the important functions of generating highly entangled photons and precisely manipulating their quantum state. In this Letter, we demonstrate time-bin entangled photon generation, noise suppression, wavelength division, and entanglement analysis on a single photonic chip utilizing low-loss double-stripe silicon nitride wave-guide structures. Quantum state tomography results show 91 +/- 0.7% fidelity compared with the ideal state, indicating that highly entangled photons are generated and analyzed. This work represents a crucial step toward practical quantum networks. (C) 2018 Optical Society of America
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