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Bulletin of the American Physical Society

Generation of Arbitrary two-Qubit entangled States in Cavity QED

Tiegang Di, Muhammad Suhail Zubairy

Published Mar 4, 2005• 0 citations
OpenAlex

Abstract

Abstract We present a scheme for the generation of arbitrary two-qubit entangled states between two cavity fields via interaction of an atom resonantly interacting with classical and quantized cavity fields. The controlling parameters are the interaction times with these fields.

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A scheme is presented for the generation of entangled states for two atoms trapped in two distant cavities. In the scheme each atom is resonantly coupled with the respective cavity mode and driven by a strong classical field. The detection of a photon decaying from the cavities and passing through a beam-splitter collapses the atoms to an entangled state. The required atom-field interaction time is very short and thus the decoherence effect is suppressed. Our scheme is within the reach of presently available cavity QED techniques.