Positive operator-valued measure reconstruction of a beam-splitter tree-based photon-number-resolving detector.


Here we present a reconstruction of the positive operator-value measurement of a photon-number-resolving detector comprised of three 50∶50 beam-splitters in a tree configuration, terminated with four single-photon avalanche detectors. The four detectors' outputs are processed by an electronic board that discriminates detected photon number states from 0 to… (More)
DOI: 10.1364/OL.40.001548


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