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State preparation by photon filtering
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DOI：10.1002/(SICI)1521-3978(200005)48:5/7<671::AID-PROP671>3.3.CO;2-7.png)
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摘要
En 中文
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.
Keyword:
ELECTROMAGNETICALLY INDUCED TRANSPARENCY
QUANTUM
