Driving non-Gaussian to Gaussian states with linear optics
Open Access
- 30 June 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 67 (6), 062320
- https://doi.org/10.1103/physreva.67.062320
Abstract
We introduce a protocol that maps finite-dimensional pure input states onto approximately Gaussian states in an iterative procedure. This protocol can be used to distill highly entangled bipartite Gaussian states from a supply of weakly entangled pure Gaussian states. The entire procedure requires only the use of passive optical elements and photon detectors, which solely distinguish between the presence and absence of photons.Keywords
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