Analysis of radiatively stable entanglement in a system of two dipole-interacting three-level atoms

Abstract

We explore the possibilities of creating radiatively stable entangled states of two three-level dipole-interacting atoms in a $\Lambda$ configuration by means of laser biharmonic continuous driving or pulses. We propose three schemes for generation of entangled states which involve only the lower states of the $\Lambda$ system, not vulnerable to radiative decay. Two of them employ coherent dynamics to achieve entanglement in the system, whereas the third one uses optical pumping, i.e., an essentially incoherent process.

Replaced with the final version; 14 pages, 6 figures; to appear in Phys. Rev. A, vol. 61 (2000)

References in corpus (4)

• Quantum information and precision measurement
• Entangling Atoms and Ions in Dissipative Environments
• Adiabatic population transfer via multiple intermediate states
• An optically driven quantum dot quantum computer

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• Coherent control in a decoherence-free subspace of a collective multi-level system
• Dipole-dipole interaction between orthogonal dipole moments in time-dependent geometries
• Vacuum - induced stationary entanglement in radiatively coupled three - level atoms
• Multiphoton blockade and antibunching in an optical cavity coupled with dipole-dipole interacting $\Lambda$-type atoms
• Dynamical creation of entanglement versus disentanglement in a system of three - level atoms with vacuum - induced coherences
• Adiabatic creation of entangled states by a bichromatic field designed from the topology of the dressed eigenenergies