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Proceedings Paper

Electromagnetically induced absorption in Λ-three-level system driven by bichromatic coupling field
Author(s): Li-jun Yang; Zhan-fei Yan; Yu-ning Wang; Shu-qing Guo
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Paper Abstract

The probe absorption spectrum of the Λ-three-level system driven by bichromatic coupling field and weak probe field is investigated. We obtain the probe absorption spectra for different frequency detunings of coupling field by solving the density matrix equation and numerical analysis. Three electromagnetically induced absorption (EIA) peaks are simultaneously observed in the absorption profile of probe field. We report the dependence of position and relative intensity of EIA on the frequency detuning of the bichromatic coupling field. The results show that central EIA always appears at the resonant frequency of probe field, with the constant intensity. The position of the secondary EIA vary with the frequency detuning of coupled field, and the intensity of the absorption peaks decrease with the increasing detuning.

Paper Details

Date Published: 29 November 2012
PDF: 5 pages
Proc. SPIE 8554, Quantum and Nonlinear Optics II, 85541L (29 November 2012); doi: 10.1117/12.2001167
Show Author Affiliations
Li-jun Yang, Hebei Univ. (China)
Zhan-fei Yan, Hebei Univ. (China)
Yu-ning Wang, Agricultural Univ. of Hebei (China)
Shu-qing Guo, Hebei Univ. (China)


Published in SPIE Proceedings Vol. 8554:
Quantum and Nonlinear Optics II
Qihuang Gong; Guang-Can Guo; Yuen-Ron Shen, Editor(s)

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