22 February 2018 Progress towards implementing superdense teleportation in Space
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Superdense Teleportation (SDT) is a suitable protocol to choose for an advanced demonstration of quantum communication in space. We have taken further steps towards the realization of SDT in such an endeavor. Our system uses polarization and time-bin hyperentanglement via non-degenerate spontaneous parametric downconversion to implement SDT of 4-dimensional equimodular states. Previously, we have shown high fidelity (>90%) SDT implementation and the feasibility to perform SDT on an orbiting platform by correcting the Doppler shift. Here we discuss new analysis of the received state reconstruction performance in the presence of high channel loss and multiple pair events. Additionally, initial characterization of a waveguide-based entanglement source intended for space will be presented.
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Joseph C. Chapman, Joseph C. Chapman, Herbert Bernstein, Herbert Bernstein, Kristina Meier, Kristina Meier, Chris Zeitler, Chris Zeitler, Paul G. Kwiat, Paul G. Kwiat, } "Progress towards implementing superdense teleportation in Space", Proc. SPIE 10547, Advances in Photonics of Quantum Computing, Memory, and Communication XI, 105470E (22 February 2018); doi: 10.1117/12.2295042; https://doi.org/10.1117/12.2295042


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