2013/04/30 by D. D. Bhaktavatsala Rao, Klaus Mølmer · 3 citations
Physics and Astronomy · #Atomic physics #Cold Atom Physics and Bose-Einstein Condensates #Dark state #Dissipative system #Excitation #Excited state #Laser #Photon #Physics #Quantum #Quantum Mechanics and Applications #Quantum entanglement #Quantum mechanics #Quantum optics and atomic interactions #Rydberg atom #Rydberg formula #Spontaneous emission #quant-ph
paper · pdf · doi:10.1103/physrevlett.111.033606
published as Phys. Rev. Lett. 111, 033606 (2013) · 4 Pages, 3 figures + Supplementary Information [Phys. Rev. Lett. 111, 033606]
openalex publication_date 2013/07/17 · arxiv created 2013/07/24 · arxiv updated 2013/07/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We propose a scheme for rapid generation of high fidelity steady-state entanglement between a pair of atoms. A two-photon excitation process toward long-lived Rydberg states with finite pairwise interaction, a dark-state interference effect in the individual atoms, and spontaneous emission from their short-lived excited states lead to rapid, dissipative formation of an entangled steady state. We show that for a wide range of physical parameters, this entangled state is formed on a time scale given by the strengths of coherent Raman and Rabi fields applied to the atoms, while it is only weakly dependent on the Rydberg interaction strength.