29 November 2012 Transient behaviour of EIT and EIA in an optical-radio two-photon coupling configuration
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Abstract
Both electromagnetically induced absorption (EIA) and transparency (EIT) can be obtained in a modified quasi-lambda four level system consisting of an optical-radio two-photon coupling field and a probing field. A physical account of EIA and EIT is given in terms of a transient state picture in this paper. It can be seen that the optical coupling field in this quasi-lambda four level system has a crucial effect on the forming of EIA and EIT. An EIA is observed under a resonant optical coupling and it evolves into an EIT when there is a detuning.
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Xiaoli Li, Zicai Yang, Yaxuan Shang, "Transient behaviour of EIT and EIA in an optical-radio two-photon coupling configuration", Proc. SPIE 8554, Quantum and Nonlinear Optics II, 85541Q (29 November 2012); doi: 10.1117/12.2001281; https://doi.org/10.1117/12.2001281
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