Abstract

We propose a scheme for generating the three-dimensional (3D) entanglement between two Rydberg atoms. Two laser fields are imposed to drive two transitions of each atom. The Rydberg antiblockade is induced through the suitable choice of the relation among parameters. We propose to offset Stark shifts by introducing detuning compensation so as to induce an effective resonant three-level system concluding two collective ground states and the double-excitation state, instead of introducing the complicated auxiliary levels and laser fields. Four 3D entangled states are calculated out, and numerical simulations show that the high-fidelity 3D entanglement can be generated. The effect of the spontaneous radiations of the Rydberg states on the generation of the 3D entanglement is analyzed. In addition, we show the numerical search algorithm so as to get optimized parameters for shortening operation time and thus decreasing the decoherence accumulation.

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