SCHEME FOR IMPLEMENTING QUANTUM DENSE CODING USING MULTI-ATOM IN CAVITY QED
Ye Liu, Bao‐Long Fang · International Journal of Quantum Information · 2008
We propose an experimentally feasible scheme for implementing quantum dense coding in cavity QED. In this scheme, the multi-atoms interact simultaneously with a highly detuned cavity mode, and are driven by a strong classical field. The scheme is insensitive to the cavity decay and the thermal field. Only one interaction between atoms and cavity is required. Multi-atom's GHZ-states can be exactly distinguished via detecting the atomic state, and the quantum dense coding can be realized in a simple way.