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

Year: 2020

Authors: Da Lio B., Bacco D., Cozzolino D., Biagi N., Arge TN., Larsen E., Rottwitt K., Ding YH., Zavatta A., Oxenlowe LK.

Autors Affiliation: Tech Univ Denmark, DTU Foton, Ctr Excellence Silicon Photon Opt Commun, DK-2800 Lyngby, Denmark; CNR, INO, I-50125 Florence, Italy.

Abstract: 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 & x00A0;km long multicore fiber, taking advantage of a phase-locked loop system guaranteeing a stable interferometric detection.

Journal/Review: IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS

Volume: 26 (4)      Pages from: 6400108-1  to: 6400108-8

More Information: This work was supported in part by the Centre of Excellence for Silicon Photonics for Optical Communications (ref. DNRF123), in part by the People Programme (Marie Curie Actions) of the European Union´s Seventh Framework Programme (FP7/2007-2013) under REA under Grant 609405 (COFUNDPostdocDTU), in part by the VILLUM FONDEN, QUANPIC (ref. 00025298), and in part by the NATO Science for Peace and Security Program under Grant G5485.
KeyWords: Quantum communication; quantum key distribution; high-dimensional path
encoding; multicore fiber

DOI: 10.1109/JSTQE.2019.2960937

Citations: 24
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