Relationship between electromagnetically-induced transparency and Autler–Townes splitting in a Doppler-broadened system*
Pei Li-Ya†a), Niu Jin-Yanb), Wang Ru-Quanc), Qu Yi-Zhia), Zuo Zhan-Chunc), Wu Ling-Anc), Fu Pan-Ming‡c)
       
(a) Imaginary part of and (b) versus Δ 1 with ζ 2 = 1.2, Δ 2/ Γ 10 = 0, and Ω 2/ Γ 10 = 0.5 (solid curve), 2 (dashed curve), and 5 (dotted curve). The maxima of im in (a) and in (b) are normalized to 1.