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State preparation by photon filtering

We propose a setup capable of generating Fock states of a single mode radiation field. The scheme is based on coupling the signal field to a ring cavity through cross-Kerr phase modulation, and on conditional ON-OFF photodetection at the output cavity mode. The same setup allows to prepare selected superpositions of Fock states and entangled two-mode states. Remarkably, the detector's quantum efficiency does not affect the reliability of the state synthesis.

preprint1999arXivOpen access
G. M. D'ArianoL. MacconeM. G. A. ParisM. F. Sacchi
quant-ph
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Open access4 authors1 topic
Imported metadata coverageMissing code, dataset, citation and institution fields are tracked without dominating the paper.Details
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G. M. D'ArianoL. MacconeM. G. A. ParisM. F. Sacchi

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