Topical white paper : a case for quantum memories in space

Gündoğan, Mustafa and Jennewein, Thomas and Asadi, Faezeh Kimiaee and Ros, Elisa Da and Sağlamyürek, Erhan and Oblak, Daniel and Vogl, Tobias and Rieländer, Daniel and Sidhu, Jasminder and Grandi, Samuele and Mazzarella, Luca and Wallnöfer, Julius and Ledingham, Patrick and LeBlanc, Lindsay and Mazzera, Margherita and Mohageg, Makan and Wolters, Janik and Ling, Alexander and Atatüre, Mete and Riedmatten, Hugues de and Oi, Daniel and Simon, Christoph and Krutzik, Markus (2021) Topical white paper : a case for quantum memories in space. Other. arXiv.org, Ithaca, N.Y.. (https://arxiv.org/abs/2111.09595v2)

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Abstract

It has recently been theoretically shown that Quantum Memories (QM) could enable truly global quantum networking when deployed in space thereby surpassing the limited range of land-based quantum repeaters. Furthermore, QM in space could enable novel protocols and long-range entanglement and teleportation applications suitable for Deep-Space links and extended scenarios for fundamental physics tests. In this white paper we will make the case for the importance of deploying QMs to space, and also discuss the major technical milestones and development stages that will need to be considered.