High-performance quantum entanglement generation via cascaded second-order nonlinear processes

Abstract In this paper, we demonstrate the generation of high-performance entangled photon-pairs in different degrees of freedom from a single piece of fiber pigtailed periodically poled LiNbO3 (PPLN) waveguide. We utilize cascaded second-order nonlinear optical processes, i.e., second-harmonic gene...

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Bibliographic Details
Main Authors: Zichang Zhang, Chenzhi Yuan, Si Shen, Hao Yu, Ruiming Zhang, Heqing Wang, Hao Li, You Wang, Guangwei Deng, Zhiming Wang, Lixing You, Zhen Wang, Haizhi Song, Guangcan Guo, Qiang Zhou
Format: article
Language:EN
Published: Nature Portfolio 2021
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Online Access:https://doaj.org/article/d21ccbaaf4c345ecacf73fe9582c07f7
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