Abstract

We demonstrate quantum detector tomography of three different multiplexed SNSPDs, including a nonlinear detector of dimension > 103. We use this to extract efficiency, dark-count and cross-talk probability from just four elements of the reconstructed POVMs.

© 2021 The Author(s)

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More Like This
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Timon Schapeler, Jan Philipp Hoöpker, and Tim J. Bartley
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J. J. Renema, R. Gaudio, Q. Wang, Z. Zhou, A. Gaggero, D. Sahin, M.J.A. de Dood, A. Fiore, and M.P. van Exter
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