Abstract
An analysis is made of the background level and counter efficiencies actually necessary to perform a loophole-free Einstein-Podolsky-Rosen experiment. Both requirements are correlated. Photon counters do not absolutely have to have more than 82.8% efficiency if the signal-over-noise ratio is very high.
- Received 14 August 1992
DOI:https://doi.org/10.1103/PhysRevA.47.R747
©1993 American Physical Society
