Quantum Storage of Three-Dimensional Orbital-Angular-Momentum Entanglement in a Crystal

Physical Review Letters
Zong-Quan ZhouGuang-Can Guo

Abstract

Here we present the quantum storage of three-dimensional orbital-angular-momentum photonic entanglement in a rare-earth-ion-doped crystal. The properties of the entanglement and the storage process are confirmed by the violation of the Bell-type inequality generalized to three dimensions after storage (S=2.152±0.033). The fidelity of the memory process is 0.993±0.002, as determined through complete quantum process tomography in three dimensions. An assessment of the visibility of the stored weak coherent pulses in higher-dimensional spaces demonstrates that the memory is highly reliable for 51 spatial modes. These results pave the way towards the construction of high-dimensional and multiplexed quantum repeaters based on solid-state devices. The multimode capacity of rare-earth-based optical processors goes beyond the temporal and the spectral degree of freedom, which might provide a useful tool for photonic information processing.

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Citations

Sep 17, 2016·Physical Review Letters·Zhi-Yuan ZhouGuang-Can Guo
May 16, 2017·Optics Letters·Ze-Di ChengGuang-Can Guo
Oct 4, 2016·Journal of Modern Optics·Khabat HeshamiBenjamin J Sussman
Sep 17, 2020·Scientific Reports·Bo GongChuan-Feng Li
Apr 6, 2016·Nature Communications·Erhan SaglamyurekWolfgang Tittel
Sep 24, 2016·Physical Review Letters·Lingang ZhangZhizhan Xu
Jan 11, 2017·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Mario KrennAnton Zeilinger
Jun 10, 2017·Physical Review Letters·Cyril LaplaneMikael Afzelius
Mar 23, 2017·Scientific Reports·Dong JiangLijun Chen
Oct 21, 2016·Light, Science & Applications·Dong-Sheng DingGuang-Can Guo
Apr 13, 2019·Physical Review Letters·Tian-Ming ZhaoYoon-Ho Kim
Oct 28, 2019·Light, Science & Applications·Yijie ShenXiaocong Yuan
Jun 24, 2018·Scientific Reports·H H JenY-C Chen
Dec 24, 2016·Physical Review Letters·Alexey TiranovNicolas Gisin
Apr 3, 2020·Optics Letters·Chengyuan WangYoon-Ho Kim
Jan 16, 2021·Physical Review Letters·Chao LiuGuang-Can Guo
Jun 16, 2021·Optics Letters·M NicolleP M Ledingham

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