Flexible reconfigurable entanglement-based quantum key distribution network

被引：1
|
作者：
Dolejsky, Till [1 ]
Fitzke, Erik [1 ]
Bialowons, Lucas [1 ]
Tippmann, Maximilian [1 ]
Nikiforov, Oleg [1 ]
Walther, Thomas [1 ]
机构：
[1] Tech Univ Darmstadt, Inst Appl Phys, Schlossgartenstr 7, D-64289 Darmstadt, Hesse, Germany
来源：
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS | 2023年 / 232卷 / 20-22期
关键词：
D O I：
10.1140/epjs/s11734-023-00980-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Recently, we implemented a basic star-shaped entanglement-based quantum key distribution network without trusted nodes. It enables simultaneous pairwise exchange of quantum keys between multiple users. In this paper, we demonstrate its flexibility by focusing on several aspects. We show continuous system operation over a partially deployed 100 km fiber link for multiple days as well as dynamic reconfiguration of the communication partners. The photon pair source enables type-II or type-0 photon pair generation by SPDC as well as various demultiplexing strategies and repetition rates.
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页码：3553 / 3560
页数：8
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