Stable Transmission of High-Dimensional Quantum States over a 2-km Multicore Fiber

Beatrice Da Lio (Invited author), Leif Katsuo Oxenløwe (Invited author), Davide Bacco* (Invited author), Daniele Cozzolino (Invited author), Nicola Biagi (Invited author), Tummas Napoleon Arge (Invited author), Emil Larsen (Invited author), Karsten Rottwitt (Invited author), Yunhong Ding (Invited author), Alessandro Zavatta (Invited author)

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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High-dimensional quantum states have already settled their advantages in different quantum technology applications. However, their reliable transmission in fiber links remains an open challenge that must be addressed to boost their application, e.g. in the future quantum internet. Here, we prove how path encoded high-dimensional quantum states can be reliably transmitted over a 2 km long multicore fiber, taking advantage of a phase-locked loop system guaranteeing a stable interferometric detection.

Original languageEnglish
Article number8936933
JournalIEEE Journal of Selected Topics in Quantum Electronics
Issue number4
Number of pages8
Publication statusPublished - 1 Jul 2020


  • High-dimensional path encoding
  • Multicore fiber
  • Quantum communication
  • Quantum key distribution

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