可见光多模光纤中偏振纠缠光子的产生

2020 International Conference on Information and Communication Technology Convergence (ICTC) Pub Date : 2020-10-21 DOI:10.1109/ICTC49870.2020.9289405

Kyungtaek Lee, I. Hong, J. Lee

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引用次数: 0

摘要

我们通过实验证明了通过自发的四波混合过程在可见光波长产生偏振纠缠光子。通过在Sagnac环内抽运多模光纤产生偏振纠缠光子对。研究了不同空间模式的中心波长、产生的信号和空闲光子的效率。在456 nm和633 nm波长处，信号和空闲光子的LP11空间模式观测到双光子干涉，可见性>92.4%。

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Polarization-entangled photon generation in multimode fiber at visible wavelength

We experimentally demonstrate the generation of polarization-entangled photons at visible wavelengths through a spontaneous four-wave mixing process. Polarization entangled photon pair is created by pumping multimode fiber inside a Sagnac loop. The central wavelength and the efficiency of the generated signal and idler photons of different spatial modes are studied. We observed two-photon interference with visibility >92.4% for LP11 spatial modes of signal and idler photon at the wavelength of 456 nm and 633 nm, respectively.

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2020 International Conference on Information and Communication Technology Convergence (ICTC)

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