Entanglement demonstration onboard a nano-satellite

Villar, Aitor and Lohrmann, Alexander and Bai, Xueliang and Vergoosen, Tom and Bedington, Robert and Perumangatt, Chithrabahnu and Lim, Huai Ying and Islam, Tanvirul and Reezwana, Ayesha and Tang, Zhongkan and Chandrasekara, Rakhitha and Sachidananda, Subash and Durak, Kadir and Wildfeuer, Christoph F. and Griffin, Douglas and Oi, Daniel K. L. and Ling, Alexander; (2020) Entanglement demonstration onboard a nano-satellite. In: Quantum 2.0 2020. Optica, USA. ISBN 9781557528209 (https://doi.org/10.1364/QUANTUM.2020.QW2A.1)

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Abstract

Polarization entangled photon-pairs are generated and detected onboard a 3U CubeSat in low-Earth orbit that violate Bell’s inequality with a CHSH parameter of 2.60 ± 0.06. These results pave the way for space-based quantum networks.