Effects of squeezed vacuum on transient optical response in a ∧ system |
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Authors: | Zhiqiang Zeng Bangpin Hou |
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Affiliation: | a College of Physics and Electronic Engineering, Sichuan Normal University, Chengdu 610066, PR China b College of Physics and Electronic Engineering, Yibin University, Yibin 644000, PR China |
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Abstract: | The effects of the squeezed vacuum (SV) on the transient optical properties in a ∧-type three-level atomic medium with or without the vacuum-induced coherence (VIC) are investigated in this paper. We find that the oscillatory amplitude of the optical spectra, the transient absorption (gain), and the response time from the transient to the steady situation are remarkably dependent on the SV. When including the VIC, the transient and steady optical properties display a reverse variation with the SV. Additionally, it is interesting to find that the steady population distribution is kept at the same value for different initial conditions in the presence of SV. |
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Keywords: | 42.50.Gy 42.50.Hz 42.50.&minus p |
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