We propose a scheme for generation of NOON states via Raman transitions. In the scheme, a double $$\varLambda $$ -type three-level atom is trapped in a high-Q bimodal cavity which is initially in vacuum states. After a series of operations and suitable interaction time, we can obtain highly nonclassical entangled states of one atom and N photons. Then it can easily be converted to purely photonic NOON states by application of a single projective measurement on the atom. The successful probability and fidelity of the scheme are finally discussed.
Quantum Information Processing – Springer Journals
Published: May 9, 2013
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