Electromagnetically induced absorption in lambda-three-level system driven by bichromatic coupling field

Li-jun Yang; Zhan-fei Yan; Yu-ning Wang; Shu-qing Guo

doi:10.1117/12.2001167

29 November 2012 Electromagnetically induced absorption in Λ-three-level system driven by bichromatic coupling field

Li-jun Yang, Zhan-fei Yan, Yu-ning Wang, Shu-qing Guo

Proceedings Volume 8554, Quantum and Nonlinear Optics II; 85541L (2012) https://doi.org/10.1117/12.2001167
Event: Photonics Asia, 2012, Beijing, China

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.

Citation Download Citation

Li-jun Yang, Zhan-fei Yan, Yu-ning Wang, and Shu-qing Guo "Electromagnetically induced absorption in Λ-three-level system driven by bichromatic coupling field", Proc. SPIE 8554, Quantum and Nonlinear Optics II, 85541L (29 November 2012); https://doi.org/10.1117/12.2001167

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