High-efficiency quantum-nondemolition single-photon-number-resolving detector
- 31 March 2005
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 71 (3) , 033819
- https://doi.org/10.1103/physreva.71.033819
Abstract
We discuss an approach to the problem of creating a photon-number-resolving detector using the giant Kerr nonlinearities available in electromagnetically induced transparency. Our scheme can implement a photon-number quantum-nondemolition measurement with high efficiency using fewer than 1600 atoms embedded in a dielectric waveguide.
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