Fast and high-fidelity generation of steady-state entanglement using pulse modulation and parametric amplification
arXiv:1901.10249 · doi:10.1103/PhysRevA.100.012339
Abstract
We explore an intriguing alternative for a fast and high-fidelity generation of steady-state entanglement. By exponentially enhancing the atom-cavity interaction, we obtain an exponentially-enhanced effective cooperativity of the system, which results in a high fidelity of the state generation. Meanwhile, we modulate the amplitudes of the driving fields to accelerate the population transfer to a target state, e.g., a Bell state. An exponentially-shortened stabilization time is thus predicted. Specifically, when the cooperativity of the system is , the fidelity of the acceleration scheme reaches , and the stabilization time is about 10 times shorter than that without acceleration. Moreover, we find from the numerical simulation that the acceleration scheme is robust against systematic and stochastic (amplitude-noise) errors.
arXiv comment12 pages (two column), 9 figures
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