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Table 1 Average and expanded uncertainty of the detection efficiency reported by each participant laboratory for the mean photon per pulse between 0.01 and 2.4 (1100 photon/s and 193,000 photon/s)

From: A study to develop a robust method for measuring the detection efficiency of free-running InGaAs/InP single-photon detectors

Laboratory

Participant detection efficiency, \(\eta _{p}\)

Expanded Uncertainty, (rel.)

CMI

0.1043

0.0056 (5.3%)

INRIM

0.1052

0.0050 (4.8%)

NPL

0.1090

0.0054 (5.0%)

PTB

0.1075

0.0024 (2.7%)