Photon-number resolution using time-multiplexed single-photon detectors
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- 10 October 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 68 (4), 043814
- https://doi.org/10.1103/physreva.68.043814
Abstract
Photon-number-resolving detectors are needed for a variety of applications including linear-optics quantum computing. Here we describe the use of time-multiplexing techniques that allow ordinary single-photon detectors, such as silicon avalanche photodiodes, to be used as photon-number-resolving detectors. The ability of such a detector to correctly measure the number of photons for an incident number state is analyzed. The predicted results for an incident coherent state are found to be in good agreement with the results of a proof-of-principle experimental demonstration.Keywords
Other Versions
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