Phys. Rev. A 74, 044303 (2006) [4 pages]
Quantum phase gate in an optical cavity with atomic cloud
Abstract
References (25)
Citing Articles
Received 21 March 2006; published 12 October 2006
We propose a scheme for implementing a two-qubit quantum phase gate for intracavity fields. In the scheme, two qubits are encoded in zero- and one-photon Fock states of two intracavity modes, and a four-level ![[sans-serif N]](http://scitation.aip.org/servlet/GetImg?key=PLRAAN000074000004044303000001%3A0%3A0%3A28&t=a&d=a) -type atomic ensemble trapped in a cavity mediates the conditional phase gate within a given interaction time. We also discuss the influence of the atomic spontaneous emission and the decay of the cavity modes on the photon loss and gate fidelity, showing the scheme is within the current experiment technology.
©2006 The American Physical Society
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