High-fidelity spatial mode transmission through a 1-km-long multimode fiber via vectorial time reversal

High-fidelity spatial mode transmission through a 1-km-long multimode fiber via vectorial time reversal

The use of long multimode fibers for multiplexed quantum communication is hindered by modal crosstalk and polarisation mixing. Here, the authors use an auxiliary laser beam sent backwards from Bob to Alice, allowing her to pre-compensate for the spatial distortions and polarisation scrambling.

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Detalles Bibliográficos
Autores principales: Yiyu Zhou, Boris Braverman, Alexander Fyffe, Runzhou Zhang, Jiapeng Zhao, Alan E. Willner, Zhimin Shi, Robert W. Boyd
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
Materias:
Science
Q
Acceso en línea:https://doaj.org/article/41102033c75b4f22a8b6ddce520d176f
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